All of Zhongchang products are manufactured according to the ISO/TS16949. Before the products are shipped from our factory, they are 100% run through the following 6 processes for testing and inspections.
- Air tightness test
- Oil tightness test
- High & low pressure test
- Push-rod travel and spare travel test
- Life and durability test
- Comprehensive Performance test etc.

APQP
FMEA
PPAP
SPC
MSA

We passed the International Quality System Authentication ISO/TS16949 in September 2010.

We specialized in producing the following automobile brake parts: Brake Master Cylinder, Brake Wheel Cylinder, Brake Caliper, Vacuum Booster, Proportion Valve, Clutch Master Cylinder, Clutch slave Cylinder, Actuator etc. At present, we own over 30 applications (heavy-duty vehicle, light-duty vehicle and saloon car), over 200 kinds of automobile brake products.