Yuhuan Zhengshi Machinery responsibility Co. , Ltd. Yuhuan ZhengShi Machinery Co. , Ltd, Lies in Yuhuan country, Zhejiang province, Which is called “the hometown of automobile and motorcycle”, Established in 1983, It’s predecessor is Yuhuan Hongqi electric Appliances & Motor Fitting No, 2 Factory. At present, Company mainly produce series of ball joint, Control arm, Disc brake caliper parts（Include caliper Pistons and Series of adjust screws）, Drum Brake Parts (All kinds of Prepare Kits and Series of adjust Screws). Automobile Wheel Bolts and Nuts, Oil Connector, High Strength Bolts (Standard and Non- Standard). It has long been playing supporting role in cooperating with automobile manufacturing group companies all over the country, And its products already sell well in our domestic,