About Us

About Us

Company Profile

  • 20 year professional experience in designing brake parts and control arm
  • Over 200 staff
  • 13500m2 Yuhuan factory factory
  • Total 1.6 million capacity,0.9million parts of designes control arm year capacity.
  • TS16949:2009 certified by AQA
  • 100% quality test before delivery
  • 5000 parts numbers of brake and suspsion system covering world major car models
  • 10% out supplied to OEM customers
  • 50000km/15 month product warranty
  • Products pass 0.5 million cycles durability test



Production Facility



Robot welding

CNC center

Assemble line


Testing equipment

Optical Projector

Rockwell Hardness Testing


Mechanical Tensile

Rubber performance

Fatigue tester

Shop-Floor Roundness

Swing torque


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.