YQ-CHINATRANSMISSIONS has developed a group of manufacturer and exporter of high quality power transmissions products. Company consists of one head office, one manufacturing factory and scores of cooperate factories. Head office in Hangzhou city and manufacturing factory located in Shengzhou city named Shengzhou Tomorrow machinery Co.,Ltd(MR.SPROCKET), which has concentrated it's efforts on the manufacturing of sprockets chains,pulleys,racks,gears. It is the center of marketing, delivery, technical support and aftermarket service. The scores of factory located in Zhuji/Xinchang/Jinhua/Changzhou/Shaoxing/Sichuan, all factories are ISO9001 approved.