ZhengZhou SanHUI Co., LTd is a professional manufacturer and exporter in Gear Wheel, Industry Sprocket， Autobike Sprocket，Motorcar Sprocket，Reaping Machine Sprocket ．The Sprocket and Gear Factory has adopted advanced CAD , CAM to design making and advanced heat treatment craft , the products accorded with such standards as ISO and ANSI , DIN, BS, etc. The products began to exported to Europe , U.S.A. and Germany, etc in 1992, the annual production is more than 2 million.We can supply all dimensions of gear wheels，sprokets.We can also make new parts according to customers' requirements and drawings.