Automobile motorcycles Gears, pinion,sprocket, helical gears,valve, pistion,rod guide,rotors,sintered parts, shock absorber part ... accuracy demands , gears, oil pump rotors and so on. Tianji Tian De Suspension System Co., Ltd., Zhejiang Qianjiang Motorcycles Group, and Zhongjian ... and stable business relationship with domestic and international customers. Automobile motorcycles