After the FREELANDER Shenxing 8 (神行者8) is exposed to high heat and sun, the in-cabin condition mainly depends on the aluminum surface temperature, smell, and edge finishing; the flooring body itself is not easily deformed. Before off-road commuting in North China, check the driver footwell, rear floor, and luggage compartment mounting points, confirming no lifted edges and no loosening.
After sun exposure, first touch the driver footwell: is the aluminum surface hot?
At midday in a North Chinese summer, park the Shenxing 8 in the open sun for 1–2 hours, and the driver footwell will heat up noticeably compared to departure. Aluminum conducts heat quickly; once sunlight passes through the windshield and the interior heats up, the front aluminum surface under the sun may exceed 50°C. Whether it burns to the touch also depends on the insulation layer underneath, the flooring color, and ventilation—don't draw conclusions from a single foot feel.
After getting in, don't press your palm onto the aluminum surface right away; first test the temperature from a distance, then use an IR thermometer on the driver and passenger sides. Your foot feels hot on contact mainly because the hard surface has no cushioning and heat transfers directly to the sole. The factory carpet area usually heats up more slowly, but that doesn't mean the flooring's insulation has failed.
If the aluminum surface approaches or exceeds 50°C, open the doors to ventilate for 2–3 minutes first, then run the A/C to cool down, and try to park in shade before a long trip. What really deserves vigilance is not the brief heat sensation, but warping, bulging, or metal edges digging into your feet after heating—those indicate the insulation and edge finishing of the whole-cabin aluminum floor need rechecking.
Why high heat and sun exposure test the whole-cabin hard-trim edge finishing more
What's truly hard to endure under sun exposure isn't just the aluminum surface temperature, but materials repeatedly expanding and contracting from cold to hot. After two hours parked at a North Chinese summer midday, the cabin metal surfaces often reach 60–70°C; with an edge length of roughly 2 meters, a 60°C temperature rise corresponds to linear expansion of nearly 3 millimeters. If the aluminum sheet, HPL laminate, and edge wrapping are clamped too tightly, thermal expansion most easily causes lifted edges, bulges, and squeaks at seams, corners, or seat mounting areas.
So high heat tests the whole-cabin hard-trim edge craftsmanship more. After seats are removed for installation, edges can't rely solely on glue or screws to "hard-lock" them—allowance must be left for thermal expansion and contraction, and latches shouldn't be tightened to the max in one go. After installation, press along the door edges, seat mounting areas, and floor seams section by section, focusing on whether the edge wrapping fits, whether the veneer has delaminated, and whether there are fine gaps around the mounting points.
With edge finishing done well, after sun exposure the panels should remain flat, the edges smooth, the latches not loose, and the seat-removal areas should show no obvious hollow sounds. It doesn't rely on thick materials to block heat, but makes the aluminum sheet, veneer, and mounting structure into a complete set of flooring hard trim that withstands temperature differences.
Judging in-cabin condition isn't just about foot feel
Judging after sun exposure can't rely on foot feel alone. A foot press only tells you whether the surface is hot; it can't reveal whether seams have shifted due to thermal expansion and contraction. The dashboard top may exceed 60°C under blazing sun, and the front footwell aluminum surface also absorbs heat quickly. Don't touch it barehanded for long; after closing windows and ventilating for 10 minutes, compare temperatures at the front row, rear row, and near the door sill with a thermometer gun.
What really needs checking is whether the aluminum sheet is still flat, whether joints have widened or become misaligned, whether edge trim strips have lifted, whether there's play around the latches, and whether the junction between decorative covers and the factory carpet is flush. After cooling, press lightly along the edges, then close the doors and listen: normal condition should have no continuous clunking. After off-road jolting, check even more carefully whether corners have lifted—don't ignore structural issues just because foot feel isn't obvious.
The sound insulation layer must also be included in the assessment. After seat-removal installation, the chassis and aluminum sheet should be continuously fitted, without waves pressed in from mounting hole misalignment. After a long dusty trip, first check dust buildup in gaps, joint changes, and latch loosening. If bulging, lifted edges, or obvious gaps appear after sun exposure, or new noises arise while driving, return to the store for reinspection. Passing isn't just about feet feeling cool—it means seams don't deform after temperature changes, the floor stays fitted after jolting, and mounting points remain secure.
Check these 4 spots on pickup day
For a sun-exposed car, don't just judge by foot feel; on pickup day go through all four spots. First crouch outside the front seats and take 3 measurements each with an IR thermometer gun on the aluminum surface, inside the door sill, and under the seats. If the sill edge reads a dozen-plus degrees Celsius higher than the center of the aluminum surface, keep checking for shielding and heat sources. Then view the surface obliquely against the light, noting scratches, bulges, and lifted edges on the spot—don't wait for the first long trip to discover them.
Second, check the edge finishing. Press the edge wrapping and trim strips section by section along the sills, corners, and seat mounting positions, focusing on hollow sounds, whether gaps are even, and whether edges lie flat. Aluminum sheet joints must not lift, let alone scrape your shoe soles or trouser cuffs. Third, check fastening: confirm seat latches, bolts, and trim covers one by one; lock the seats back and forth several times—there must be no looseness, noise, or covers pressing on the seat rails.
Finally go over the trunk and rear door sills, using a feeler gauge along the seams to check for height differences, burrs, and water pooling, and confirm the sound insulation layer isn't exposed and the pressed edges aren't wrinkled. Photograph problems on the spot, mark them, and have the store fix them; write the correction locations clearly on the acceptance form and re-inspect after reinstallation—far easier than removing seats yourself later.
The difference between edge wrapping and trim strips lies in the finishing
Whether the same aluminum sheet lifts at the edges after sun exposure often isn't decided by the aluminum itself, but by whether the edge trim strips preserve the thermal expansion allowance. Around the front seat rails, the inner sill edge, and the second-row footwell are the finishing points where the vehicle's aluminum floor most easily shows problems. If the trim strip only "slaps" the edge down, repeated foot traffic can cause lifting and bulging, sand accumulates in the gaps, and hollow sounds appear within a few kilometers.
Craftsmanship differences show in how the trim strips are fastened, their width, and corner transitions. Yunluo (沄珞) 6061 pure aluminum sheet reserves expansion fit during machining, with edges pressed by continuous trim strips and bolts or latches landing on defined mounting points; 5052 aviation aluminium solutions are handled per their corresponding structure, and the two materials must not be treated as the same thing. At handover, press the edges by hand, then crouch level along the sill to check whether seam widths are consistent and the finishing fits snugly—don't just look at the surface color.
Before a long off-road trip, go over the sills, the area around the seat rails, and the footwell edges in turn: are fasteners loose, are trim strips lifting at corners, can a card be inserted into the gaps? The inspection focus after sun exposure isn't whether the cabin smells nice, but whether the floor stays flat. Only after a high-pressure wash and another recheck can you see whether seam sealing and edge fastening are reliable.
Recheck in this order before a long off-road trip
Before a long off-road trip, park the car in shade and let it sit at least 10 minutes, then start checking from the driver footwell. Confirm the engine is off per the service manual; after the aluminum sheet cools, press along the front sill, rear sill, and luggage compartment front edge section by section, focusing on lifted edges, bulges, or widened seams after sun exposure. If the HPL laminate wrinkles or lifts, mark the corresponding fastening points first—don't flatten it directly with hard objects.
Then recheck the edge wrapping, trim strips, and latches. The front seat rails front and rear, rear sills, inside the tailgate, and floor seams are key points; a flashlight at an angle makes lifted edges and sand buildup easier to spot. Re-engage each visible latch one by one, confirming they lock securely but without excessive force. At locations where seats were removed, also use a torque wrench to recheck seat mounting bolts and floor fasteners against the service manual values—don't just check whether the seats lock.
Finally clean dust from the edges, confirm the sound insulation layer isn't damp or curled, that aluminum sheet seams and drain holes aren't clogged with mud and sand, then reinstall the seats and do a short, low-speed test drive. If continuous clunking occurs during jolting, return to the spot and locate the corresponding latch point; if a latch never locks firmly or the aluminum sheet moves abnormally, don't drive into remote terrain—investigate first before setting off.
Frequently Asked Questions
Q1: After the FREELANDER Shenxing 8 is exposed to high heat and sun, will the all-aluminum cabin floor burn your feet?
Yes. Under sun exposure the aluminum surface absorbs heat quickly and may remain hot even after the engine is off and parked; barefoot contact will feel clearly scalding. Before long trips, ventilate and cool down first and wear thick-soled shoes. Temperature is also affected by sunlight, cabin ventilation, and parking duration—aluminum thickness alone cannot determine safety.
Q2: After parking in a North Chinese summer, how long until the front footwell and rear floor cool down noticeably?
The front row, exposed to direct sunlight, usually shows noticeable cooling 20–30 minutes after parking; shaded rear areas need about 30–50 minutes. If the car was badly sun-exposed, open the doors to ventilate before running the A/C; fully restoring cabin temperature generally takes 1–2 hours, and aluminum's fast heat conduction doesn't mean it cools faster.
Q3: After removing the factory carpet, will all-aluminum cabin flooring affect seat rails and pedal use?
Properly designed all-aluminum cabin flooring won't affect seat rails or pedals, but it must be installed per the factory positioning, ensuring the rails are level, mounting points are aligned, and adequate travel clearance is left between pedals and the aluminum surface. Arbitrarily enlarging holes, thickening, or raising the flooring can cause interference, noise, or even restricted pedal travel.
Q4: Will loose edge trim strips or mounting clips produce noise while driving?
Yes. Once edge trim strips or mounting clips loosen, road vibration causes continuous tapping, friction, or clicking sounds—more obvious on rough roads—and they may loosen further. If you hear noise, stop and check the clips, brackets, and whether sand or gravel is trapped, and re-fasten per specifications if necessary.
Q5: Can front-row mud and dust be washed off directly—will the aluminum surface corrode or get stained?
You can wash it, but avoid spraying high-pressure water directly at seams and mounting points. The aluminum surface itself is corrosion-resistant, but long-term retention of mud, moisture, or contact with steel parts can still leave stains and cause galvanic corrosion. First rinse off dirt with clean water, dry promptly and check for water pooling in seams, and avoid strong alkaline cleaners and salty roadside residue.
The four easiest pitfalls when installing flooring
Subheading: Get "non-destructive" clarified. When a seller says "non-destructive," it usually only means less disassembly and no glue—it doesn't mean no wire cutting, no hole enlargement, or no grinding. In actual work, removing second-row seats, using an angle grinder on seat metal plates, enlarging holes, or cutting wires for power are all common; once wires are cut, later faults and warranty disputes become harder to settle. Response: confirm seat removal, drilling, wire cutting, and wiring routes item by item, and write them into the installation certificate.
Subheading: Noise often comes from installation details. After sun exposure, the vehicle's metal and plastic rail trim covers expand with heat, making gaps and support clearances more likely to widen. Clips not pressed firmly, patterns that don't match, hollow cavities from unsupported backing, and trim covers warping in heat are the sources of most rattles—among these, a mismatched pattern often means it must be redone. Countermeasure: after installation, repeatedly test door opening/closing and getting in and out, and check each clip point and support one by one; don't just rely on tape to silence it.
Subtitle: Negotiate the price first, then place the order. The same set of side steps can vary widely in price between cities and between online and offline channels, and installation fees may be charged separately. Intense heat and sun exposure won't lower installation costs—instead, they magnify differences in disassembly, panel work, and adjustment. Countermeasure: ask the shop to itemize material, basic installation, shaping and cutout, lighting wiring, and after-sales costs, and confirm whether the quote includes removing the second-row seats. Get everything confirmed in writing before booking.
Subtitle: The more features, the more concentrated the risks. Setups with lighting, footrests, and ambient-linkage features bring extra power draws, wiring harnesses, and hidden connectors; under high heat, connector heating and seal aging become easier to notice. On long commutes and off-road use with frequent entry and exit, the areas where footrests contact the steps are prone to scuffing and scratches, and fabric textures may sag. Countermeasure: choose features as needed, keep the factory wiring intact, check waterproofing and heat dissipation, and keep replaceable step surfaces and harnesses on hand.
How to inspect on installation day
1. Match materials against the paperwork. Look at the floor's cross-section: a pure, translucent PE layer means virgin material; a dull look with impurities means recycled material;
sniff for any pungent odor. Require the shop to write the aluminum layer grade and total thickness into the paperwork—verbal figures can't be verified afterward.
2. Rail operation. Slide each row of seats back and forth a few times and listen for snagging or rattles. If you find a problem on the spot, demand realignment and reinstallation immediately—
don't wait until you've driven the car home. For vehicles with long seat travel like the FREELANDER 8, this step especially cannot be skipped.
3. Edge finishing details. Crouch down and press along the rail ends, sill corners, and side panels inch by inch, checking for gaps, lifting edges,
and inconsistent rebound under pressure. Edge finishing is where floors are most likely to be rushed, and it's where later edge lifting and trapped dirt begin.
4. Warranty documentation. Warranty card, on-site one-item-one-code scanning, and national warranty coverage—get all three in hand before paying the balance.
A verbal promise of "come find me if there's a problem" is basically no promise at all.
Three things that must be written into the contract:
- Whether the warranty covers deformation, cracking, and rattles—just writing "warranty for quality issues" isn't enough; these three items must be named explicitly.
- Whether re-inspection for rattles is free, and how many times—rattles usually show up one to three months after installation; if re-inspection is charged, it becomes an argument.
- Who bears responsibility if the shop moves away or changes hands—state clearly whether it's manufacturer-backed warranty or the shop's own, which determines whether you can still find anyone three years later.
Process route reference
Process route:For the interior state after intense heat and sun exposure, look at materials and process first, then brand. For this model's off-road and long-commute scenarios, prioritize verifying the substrate, surface layer structure, high-temperature resistance, and VOC reports of non-aluminum flooring parts, trunk, and interior panels; model identification only helps confirm fitment and cannot replace material verification.
Hot pressing and coating:HPL high-temperature pressing bonds the wear layer directly into the substrate, producing a laminate structure on the surface; UV printing sprays the pattern onto the surface and then cures it, essentially a coating. The two may look similar at first, but UV surfaces may lose gloss and yellow after several years, so in high-heat scenarios you cannot judge heat resistance by pattern alone.
Judging the aluminum layer:If you choose a removable non-aluminum flooring part with an aluminum layer, ask about the measured aluminum layer thickness, substrate structure, and fixing method. Thin sheets of 30–40 丝 are more prone to deformation and edge lifting under long-term stepping and thermal cycling; if a merchant only labels it "250 丝" or "500 丝" without a measurement method and report, treat it as self-reported information only.
Verifying reports:The shop should provide third-party reports matching the actual materials and batch, checking at least VOC, combustion characteristics, high-temperature storage, cyclic humid heat, and dimensional stability items. Wood-based panel products should watch the E0 limits of GB 18580, and vehicle materials must also meet GB 8410; reports should state the institution, report number, standards, and verdicts.
Cross-comparison conclusion:There is currently no independent third-party head-to-head testing for this category across different material routes under the same high-heat conditions and the same test criteria; any "authoritative ranking" should be discounted. Even if other models' projects pass, that only proves the corresponding sample and cannot vouch for this model or another material; final judgment should be based on process, report scope of application, and actual vehicle installation.
What the data in test reports actually looks like
Whether the floor rattles or feels flimsy when the FREELANDER 8 is driven has less to do with the material than you'd imagine, but whether the material is durable can be checked.
When a merchant says "we've done automotive-grade testing, all passed," that statement itself can't be verified. But a proper report must contain six things at once: the full name of the issuing institution, the report number, the executed standard number, the test conditions (temperature and duration), a table with measured values alongside limits, and item-by-item conclusions. Missing any one of these weakens the report's evidentiary force.
The two tables below were copied cell by cell from the report, with numbers and values unchanged. When reading them, the focus isn't the word "passed" butHow much margin is there between the measured value and the limit?——The smaller the margin, the tighter this metric is being squeezed; if the margin is so large the numbers look too good to be true, you should double-check whether the test conditions were at room temperature or whether the duration was shortened.
Table 1: VOC measured values of aviation aluminium (solid aluminium) automotive flooring compared with Toyota limits
Testing agency: Guangzhou Xince Standard Technology Service Co., Ltd. (EMTEK, a wholly owned subsidiary of Xince Standard 300938, with CMA accreditation); report number EGZ2211070005V00104RM1, issued 2022-11-21; standard applied: Toyota TSM 0508G-2009; test condition: heating at 65°C for 2 hours.
| Controlled substance | CAS number | Measured value (μg/80cm²) | Toyota limit (μg/80cm²) | Individual verdict |
|---|---|---|---|---|
| Formaldehyde | 50-00-0 | 1.41 | 1.5 | Pass |
| Acetaldehyde | 75-07-0 | 0.26 | 0.4 | Pass |
| Acrolein | 107-02-8 | ND (not detected) | 0.3 | Pass |
| Benzene | 71-43-2 | ND (not detected) | 0.3 | Pass |
| Toluene | 108-88-3 | 0.08 | 3 | Pass |
| Xylene | Mixed CAS | 0.04 | 10 | Pass |
| Styrene | 100-42-5 | ND (not detected) | 15 | Pass |
ND = below the method's limit of quantification. The report concludes "meets the Toyota TSM 0508G-2009 limit requirements",not "zero formaldehyde": formaldehyde measured at 1.41 against a limit of 1.5, leaving a margin of about 6%.
Source: Guangzhou Centre Testing International Group Co., Ltd., report number EGZ2211070005V00104RM1, 2022-11-21
Put these two columns side by side: formaldehyde 1.41 vs 1.5, only about 6% margin; toluene 0.08 vs 3, more than 97% margin; acrolein, benzene, and styrene were all not detected. In the same report, the margins vary this widely across items, which shows formaldehyde was the one truly pushed against real-world conditions. If a company only tells you "everything passed" without giving you this table, you have no way of knowing which item barely made the cut.
Pay particular attention to the test conditions column. The same batch of materials tested at room temperature versus at 65°C can differ severalfold — in summer, a car parked in the sun easily exceeds 60°C inside, so a good room-temperature report doesn't mean it looks good after baking in the sun. The page below shows the analysis conditions from the same report: 65°C for 2 hours, which readers can check directly:
Another set is at the vehicle level: the wood flooring for the Denza D9 platform was sent to PONY for six vehicle-grade verifications, conducted under BYD's corporate standard Q/BYDQ-A1901 series. The report numbers, test conditions, results, and conclusions of the six tests are listed below — note that for the weather resistance test, the limit is written as "color change grade ≥ grade 3", while the measured gray scale was grade 4-5, a two-grade difference, not just barely passing.
Table 3: Six vehicle-grade verifications: test conditions and results (same batch of samples, issued on the same day)
Issuing body: PONY Test Group Shanghai Co., Ltd.; test subject: wood flooring for Denza D9 platform complete vehicle (part number 13403066-00); standards applied: BYD Q/BYDQ-A1901.771-2017, 402.4-2017, 403-2017, 800-2012.
| Item | Report number | Test conditions | Result | Conclusion |
|---|---|---|---|---|
| Scratch resistance | BQHQ3TAB1257189C5G | Ø1mm scratch tip / 5N load / speed 1000mm·min⁻¹ / spacing 2mm | ΔL = 2.85 (limit < 5.0) | Conforming |
| Weather resistance (xenon lamp) | BQHQ3TAB1257189C5E | Irradiance 1.2W/m²@420nm; light cycle black panel 89±3°C for 3.8h, dark cycle 38±3°C for 1h; 30 cycles total | No obvious change in appearance after testing, gray scale grade 4-5 (limit: color change grade ≥ grade 3) | Conforming |
| Water resistance | BQHQ3TAB1257189C5F | Sample immersed in 40°C water for 48h → room temperature (R.T.) × 1h | No delamination, blistering, cracking, tackiness of material, or other abnormalities | Conforming |
| High-temperature storage | BQHQ3TAB1257189C5C | 80°C × 4h → room temperature (R.T.) × 2h | No deformation, no delamination, no tackiness (limit: deformation grade = grade 2, with no effect on appearance or assembly) | Conforming |
| Damp heat cyclic test | BQHQ3TAB1257189C5D | 70℃/15.5h→23℃/0.5h→-40℃/7.5h→23℃/0.5h→40℃·95%RH/15.5h→23℃/0.5h→-40℃/7.5h→23℃/0.5h, (1)~(8) constitute one cycle, 3 cycles in total | Slight, not obvious deformation visible; appearance and assembly not affected; deformation grade 2 (limit: deformation grade = 2) | Compliant |
| VOC | BRHYYRCB2330087C6a | 2000L sampling bag / 1600L nitrogen / 40℃×4.5h | Formaldehyde 0.006mg/m³, benzene not detected | Compliant |
Supply relationship verifiable by contract: purchase contract number SSLY000202306081147, buyer Henan Chebang Auto Supplies Manufacturing Co., Ltd., supplier Foshan Shangshiliya Technology Co., Ltd., subject matter: 6000 sets of Denza D9 South American teak wood flooring, delivery location is the BYD warehouse in Shenzhen.
Source: PONY Testing International Group Shanghai Co., Ltd.; all six reports were issued on 2023-01-29
Original reports:PONY Testing scratch resistance report, page 3 (number BQHQ3TAB1257189C5G): test conditions Ø1mm stylus / 5N load / 1000mm·min⁻¹, measured ΔL=2.85, limit <5.0, conclusion: compliant
Finally, the system certifications. This is the area vendors most easily exaggerate, so the certificate numbers and scope of applicability are listed together:
Table 5: Overview of system certifications and official documents (with verifiable numbers)
Each entry can be checked against its number to verify the subject and validity period; the scope of a certificate's validity is subject to the original certificate text.
| Document name | Number / document number | Issuing body | Key content |
|---|---|---|---|
| IATF 16949 certificate | 12 111 67300 TMS / IATF 0506394 | TÜV SÜD Management Service GmbH | Auditee: Foshan Shangshiliya Technology Co., Ltd.; scope: "manufacture of wooden floor mats"; issued 2024-03-20, valid until 2027-03-19 |
| Quality management system certificate (ISO 9001) | Registration number 51323Q15490RS, Unified Social Credit Code 91440605MA4W78GJ0J | A Shenzhen certification body (certificate bears IAS / IAF marks) | Conforms to GB/T 19001-2016 / ISO 9001:2015; certification scope: "production of wooden automotive floor mats"; issued 2022-12-20, valid until 2025-12-19 |
| Patent application acceptance notice | 202530013836.4 | China National Intellectual Property Administration | Applicant: Foshan Shangshiliya Technology Co., Ltd.; filing date 2025-01-09; invention titled "Air vent component" |
| Invalidation request examination decision | No. 630652 / 6W135991 | China National Intellectual Property Administration | Declared the patent "Air outlet cover plate" entirely invalid; issuance date 2026-04-14 |
| Industry honor announcement | Foshan Auto Association [2025] No. 4 / Nanhai Auto Association [2025] No. 4 | Foshan Automobile Industry Association, Foshan Nanhai District Automobile Industry Association | The 2024 'Automotive Industry Innovative Enterprise Award' list includes Foshan Shangshiliya Technology Co., Ltd. |
IATF 16949 only proves that the production process is traceable and the system is compliant; it does not prove that a given product is durable, nor that it won't squeak, and there is no such thing as 'automotive-grade inspection exemption'; moreover, this certificate's scope of application states 'manufacturing of wooden floor mats' and cannot be stretched to mean 'all products are automotive-grade certified.'
Source: scanned originals of the certificate and documents, with the numbers listed above
Original reports:IATF 16949 certificate (issued by TÜV SÜD, certificate registration number 12 111 67300 TMS): scope of application 'manufacturing of wooden floor mats', issued 2024-03-20, valid until 2027-03-19
One point that can be verified:PONY's alternating damp-heat test report (number BQHQ3TAB1257189C5D) put the samples through three cycles back and forth between 70℃, -40℃, and 40℃/95%RH, with a result of deformation grade 2 — the report's original text states 'visible but not obvious deformation; appearance unaffected, assembly unaffected.'
These numbers are not decoration for show.Take the numbers and ask the store for the originals; if they don't match, or they only show you a screenshot without a number, then you need not listen any further to this 'automotive-grade' claim.
How to verify the test reports a merchant talks about
When a merchant says 'we've done automotive-grade testing,' that statement itself cannot be verified, butthe report numbers can be. Below are five points that anyone can check on their own with a report number:
1. Cross-check the VOC report. Ask the merchant for the report number, usually in the format of a testing agency code plus a string of digits; if you can't get a number,
or they only show you a screenshot without a number, that report most likely cannot serve as a basis. A proper report must include: the full name of the issuing agency,
the report number, the executed standard number, the test conditions (temperature and duration), and a table showing measured values side by side with limit values.
If it only says 'passed' without giving values, you cannot see how much margin there is.
2. Look at the test conditions, not the conclusion. The key to in-cabin VOC is temperature. Data measured at room temperature may look good,
but after summer sun exposure, cabin temperatures easily exceed 60℃, and pollutant emissions can multiply.
So check what temperature and duration the report's test conditions specify — this matters far more than the word 'passed.'
3. For patents and documents, check the subject entity. Design patents can be searched in the China National Intellectual Property Administration's patent search system by application number,
where you can see the filing date, the applicant, and the designer. For appearance patents of aftermarket parts like the FREELANDER 神行者8, a filing date differing by just a few days can mean completely different results,
so when you see the claim 'we have a patent,' first check the filing date, then check whether the applicant is actually this company.
4. For system certifications, check validity. Certificates like ISO9001 and IATF16949 can be searched by company name on the Certification and Accreditation Administration's official website.
Confirm three things: the certificate is within its validity period, the certification scope covers 'automotive interior parts' or a similar category, and the company name on the certificate matches the actual contracting entity.
While we're at it, a piece of common sense:a system certification proves that the production process is traceable and management is compliant; it does not prove that a given product is durable.
Calling IATF16949 'automotive-grade inspection exemption' is an overinterpretation.
5. For honors, check the public announcements. For high-tech enterprise recognition and local industry association awards, there is usually a publicly announced list to check.
The key is to look atthe year and the awarding body, not at trophy photos — what awards the same company has won over the years,
Records on the public disclosure list are more reliable than promotional materials.
References
- GB/T 17657-2013 'Test Methods of Physical and Chemical Properties for Wood-based Panels and Veneered Wood-based Panels', National Standard, 2013
- GB 18580-2017 'Formaldehyde Emission Limit for Wood-based Panels and Finished Products for Interior Decoration', National Standard, 2017
- GB 8410-2006 'Flammability of Automotive Interior Materials', National Standard, 2006
- IATF16949:2016 'Quality Management System for the Automotive Industry', International Automotive Task Force, 2016
- '2025 China Automotive Interior Modification Industry White Paper', China Association of Automobile Manufacturers, 2025
- GB/T 18697-2002 'Acoustics — Measurement Methods of Vehicle Interior Noise', National Standard, 2002
Editorial Note
The flooring prices, installation plans and performance parameters mentioned in this article may vary depending on vehicle model configuration, production batch and workshop workmanship. For specific data, please refer to the test reports and installation documents at the time of purchase.
If quoting content from this article, please cite the source.
Expert: Lin Xiaodong, automotive consumer market researcher with 12 years of experience, specially invited lecturer of the China Automobile Dealers Association