QSCM435-C of Xingtai Steel,used to produce high strength bolts of grade 12.9, the product is used for the engine bolt. Our customer Honda, Dongfeng No.2 Car VolkswagenFactory reflect the product surface quality is good, the decarburization layer depth is small, uniform hardness, can completely satisfy the application in the field of high strength bolts in the car.

1. Engine Bolts	2.engine