2010Founded
~180Staff
~20,000 m²Wuxi factory
40+Export countries
IATF 16949+ ISO 9001

Solutions by Buyer Group

Each page starts with the problems that buyer group runs into, then shows how we solve them, the proof, how we work together and the answers buyers ask for most.

Two warehouse staff checking a wrapped pallet of auto parts cartons

For Distributors & Importers

Repeat orders that drift, mixed containers that arrive mixed up, claims that stall.

Explore solution →
Technician fitting a black rear diffuser to a car in a body shop

For Body Shops, Installers & Small Retailers

Small quantities, parts that need rework to fit, missing hardware.

Explore solution →
Online seller packing an auto accessory carton at a desk

For Amazon & E-commerce Sellers

Variant mix-ups, parcel damage and label rules for FBA.

Explore solution →
Measuring a front lip sample with a digital caliper on a product development desk

For Aftermarket Brands

Fit that varies, color drift between batches, design and mold risk.

Explore solution →
Two staff reviewing shipping documents at a loading dock with a truck

For Other Service Providers

EV accessory distributors, truck and 4×4 retailers, and tire and wheel shops.

Explore solution →
Operator handling a black injection-molded bumper part beside a molding machine

OEM & ODM Programs

Build to your drawing or sample, or develop a new part with our engineers.

Explore solution →

Not sure which program fits how you sell?Tell us your channel and range and we will suggest the right program.

How Solutions, Services and Capabilities Fit Together

Solutions are organized by who you are. Services describe how a project runs. Capabilities and materials show the equipment and plastics behind every part.

SectionWhat it answersStart here
SolutionsWhich program fits my business?This page
ServicesHow does a project or order run?Manufacturing services
CapabilitiesWhat equipment and specs are behind it?Manufacturing capabilities
MaterialsWhich plastic and finish should I choose?Materials and finishes

Not sure where to start? Our sourcing plan tool asks a few questions and suggests a route.

Case Study: Rear Spoiler for a Flagship EV Program

Case A · Aftermarket brand program

High-gloss exterior spoiler for a flagship EV program — holding ±0.1 mm seam gap in series production.

The challenge

A BYD Yangwang U7 rear spoiler: a large, highly visible part that sits tight against the body, so any seam or flow mark shows. The customer did not want a good lab result. They wanted batch 1 and batch 50 to be the same part.

What we did

  • Two-platen press with platen positioning within 0.5 mm
  • Mold-flow analysis moved the gate so the weld line was moved out of the cosmetic surface
  • Zoned mold temperature control for even gloss along the part
  • Part weight held to ±1 g with variation of 0.3% or less, monitored in process
  • FAI, patrol inspection and records kept for every batch
±1 mmOverall, critical ±0.5 mm
±0.1 mmSeam gap
±1 gPart weight
NoneFlow marks or weld lines on the cosmetic surface; paint adhesion unaffected

What Buyers Say

“What I value most is being able to get a straight answer. If a drawing needs changing, they explain why. If a product needs another check, they say so. We work with plenty of suppliers, and that kind of communication makes Yirox much easier to deal with.”
Senior Procurement ManagerAutomotive Aftermarket Supply
“We started with one spoiler mould to test them. They flagged a weld line position in our drawing before quoting, which our previous supplier had missed. Three containers later, they are still quoting the same lead time they actually hold. Not the cheapest quote we received — the only one we stopped re-checking.”
Purchasing ManagerFrom first order to repeat orders

Names and companies withheld at the customer’s request.

One Factory Behind Every Solution

Our exterior parts, wheel balancing weights, tonneau covers and running boards are made in our own factory, from molding and painting to chrome plating, inspection and packing. The only exception is a group of EV products sourced from partner factories that we manage, explained on the EV distributor page.

Bumpers and exterior parts on the production line in the Yirox factory in Wuxi
Bumpers and exterior parts on the production line in the Yirox factory in Wuxi

Injection molding

42 machines from 90 to 2,500 t, including three two-shot machines.

Painting

Two 3C2B paint lines with color held to ΔE*ab ≤1.0.

Chrome plating

An automatic 28-tank rack plating line on plating-grade ABS.

Inspection

Two CMMs, FAI and PPAP up to Level 3, ISO 9001 and IATF 16949.

3D scanning

Handheld scanning at 0.04 mm accuracy for fitment work.

Capacity

About 1.5 million parts a month.

Want one factory for your range?Send your product list and we will show what we make in-house.

FAQ

Which buyers does Yirox work with?

Auto parts distributors and importers, aftermarket brands, Amazon and e-commerce sellers, body kit installers and tuning shops, EV accessory distributors, truck and 4×4 accessory retailers, tire and wheel service shops, and OEM/ODM program buyers.

What do you make in-house?

Injection-molded exterior parts, painted and chrome-plated parts, wheel balancing weights, tonneau covers and running boards are all made in-house. A group of EV products comes from partner factories that we manage.

What is your MOQ?

MOQ is discussed per project. We offer low MOQ on selected items.

Do you sign an NDA?

Yes. We can sign an NDA before you share drawings or samples.

Which certifications do you hold?

ISO 9001 and IATF 16949. See certifications and compliance.

Tell Us How You Sell

Send your product list, target market and how you sell, and we will suggest the right program.

Request a Quote

Tell us the part, vehicle and quantity. An engineer replies by email.

Tell Us About Your Sourcing Project