Automobile motorcycles Gears, pinion,sprocket, helical gears,valve, ... System Co., Ltd., Zhejiang Qianjiang Motorcycles Group, and Zhongjian Tools Manufacture Co., Ltd. , AL-KO, are some of ... steam treatment stove and a complete set of testing equipment, 20 sets of grinding machine and various CNC machines. ... business relationship with domestic and international customers. Automobile motorcycles