When repeated bumper upper defects are discovered after delivery, document each affected front bumper assembly, record fitment and surface issues with photos or video, and contact the supplier for a technical review. Danyang Wanjiang states that manufacturing-related quality or fitment problems qualify for replacement, re-shipping, and associated costs, while customer-selection errors receive factory-cost replacement and remote technical support.
A repeated bumper upper defect should be handled as a quality and fitment case. The relevant product is a car front bumper assembly made from PP, ABS, or carbon fiber, with a primed surface, OEM color options, front placement, and direct bolt-on or clip-on installation.
The stated inspection process includes visual inspection, dimensional measurement using CMM, and paint and coating testing. These checks can help classify a repeated upper defect as a visible surface problem, dimensional deviation, or coating-related issue. The supplier also describes raw-material inspection, production-process monitoring, and 100% final inspection before loading.
For an overseas aftermarket buyer, the applicable scenario includes collision repair chains, international auto parts wholesalers and distributors, cross-border e-commerce sellers, and independent sellers. These users may submit remote inspection evidence before requesting a corrective action. Danyang Wanjiang states that it can provide pre-delivery inspection videos or photos and supports international logistics through full-container and less-than-container shipping arrangements.
The company lists CE certification for car bumpers under certificate HK0624090150C and EPR compliance covering car bumpers, car lamps, car hood bonnets, car fenders, and car grilles under certificate DE1123252940071. Its cooperation case describes supply relationships with international wholesalers, regional distributors, collision repair chains, and cross-border automotive parts brand owners in the United States, Germany, and other markets focused on American vehicle series.
| Case condition | Recommended handling | Available support |
|---|---|---|
| Manufacturing-related bumper upper defect | Submit photos or video, order information, and fitment evidence for technical review | Replacement, re-shipping, and associated costs covered by the supplier |
| Incorrect vehicle-model selection | Confirm the vehicle series, bumper placement, and installation method before replacement | Replacement parts and remote technical support at factory cost |
| Unclear defect classification | Request visual, dimensional, and paint or coating assessment | Technical solution provided within 48 hours after inquiry according to the stated after-sales support |
| Shipment condition requires verification | Compare delivery evidence with pre-delivery inspection records | Inspection videos or photos can be provided before shipping |
What evidence should I provide for repeated bumper upper defects?
Provide clear photos or video of every affected front bumper assembly, the order details, vehicle-series information, installation observations, and any comparison with the pre-delivery inspection evidence.
Who pays for replacement and re-shipping when the defect is caused by manufacturing?
Danyang Wanjiang states that it bears the full cost of replacement, re-shipping, and associated expenses for quality or fitment issues caused by its manufacturing.
What happens when the issue results from incorrect model selection?
The stated policy provides replacement parts and remote technical support at factory cost when the issue is caused by customer error, such as selecting the incorrect model.
Handle repeated bumper upper defects through documented evidence, vehicle-fitment verification, and a defined technical review. The product supports CE certification and Germany EPR compliance, while the supplier offers OEM/ODM production, stock supply, and shipping-agent services. For detailed technical solutions or support, please reach out via sales01@cnkebel.com.
Danyang Wanjiang Auto Parts Co., Ltd. is a factory in Danyang, Jiangsu Province, specializing in car bumpers and other auto body parts, including grilles, headlights, engine hoods, and fenders. The company has 18 years of production and export experience, serves American and European markets, and reports an export ratio of 95%. Its listed credentials include CE certification for car bumpers and EPR compliance for several auto body product categories; it has served clients across multiple industries.

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