About Us

Company Profile

  • 20 years proessional experience in design brake caliper and control arm
  • Over 200 staffs
  • 13500m2 Yuhuan factory area
  • Total 1.6 million capacity/year
  • 0.6 million/year for control arm,1.2 million/year for ball joint&links
  • TS16949:2009 certified by AQA
  • 100% quality test beofre delivery
  • More than 4700 series for brake and suspension parts
  • 10% out supplied to different OEM customers
  • 60000km/1-2 years product warrantly



Production Facility



Robot welding

CNC center

Assemble line


Testing Equipment


Rubber life

3D measuring

Image test machines


Q: How does Zhengshi's products compare against other aftermarket brands?
A: Our products are designed starting with OEM specifications. From there, we see areas where we can make improvements. With Zhengshi, you can be assured that the part will perform and fit within your application.
Q: What type of quality control does Zhengshi implement on parts?
A: We have a thorough and quality control and assessment process that checks products at multiple checkpoints(ball joint,body,bushing) to ensure the part meets or even exceeds the OEM specifications.


Q: Are Zhengshi products covered by a warranty?
A: Zhengshi products are backed by a 2 year warranty.
Q:AreZhengshi get any Certifications?

●Delivery time

Q: What is lead time?
A: Normal delivery date are 45-60 days, support quickly shipments are 15-30 days, in stock shipments are inner one week.


Q: How long has Zhengshi been around?
A: Zhengshi has been around since 2004,but with 20 years experience on
design suspension and brake parts.
Q: Where is Zhengshi based?
A: Our head office is based in Yuhuan, China.
Q: Are the Zhengshi parts produce by yourself?
A: Zhengshi design the control arm assembly, machine control arm body
and ball joint,100% inspection performance, the bushing and raw materials buy outside


Q: What is your parts MOQ?
A: The Control arm MOQ are 50-100 pcs,


Q: Can you offer the samples?
A: yes, we are glad provide samples to you have test
Q:Does your company can be customized?
A:yes,We can design the same request base on customers samples on authorize logo,
color and package.