Introduce
Chongqing Zhongtaiyunsheng Export And Import Co., Ltd

our company is the only one in China that possesses full range of production procedures of crankshaft, connecting rod and crankshaft pin, i.e.forging, heat treatment and machining.Companys existing products CG125, CB125T, CM250, ATV350 ~ 800 and other models motorcycle, ATV crankshaft and the gasoline engine crankshaft, the crankshaft model airplane, aviation, 100 kinds of umbrellas crank.In order to guarantee quality,all main and supplementary materials are bought from certificated plants, and we insist on utilizing 40Cr,ect materials with high mechanical property. Our chemical & physical center is in charge of chemical component analysis and low-power check and acceptance of raw materials as well as control of quality status in heat treatment procedure. Our length measurement center which owns legal qualification to implement maintenance and periodical check to all measuring tool and air gage guarantees length measure always keep in standard precision range, which offer strict guarantee to high-quality products.