1. over 20 years manufctureing history 2. foucs on automotive wheel bolts, differentail bolts, pots, angle gear bolts
3. supply bolts for many truck axle factory
4. strict quality control a. all of our raw materials are purchesed from Capital Steel Group. that guarantees the quality and stablity of the products b, Each production process is under strict inspection by our quality control system
c. Our factory have enquipped sets of measuring and testing machine to ensure superior product quality, includiing flow detector, salt spray , tester, bolt pulling machine, metallurgical microscope. d. we also use pneumatic wrench for actual test.
Complaint
