Huzhou Shuangshi Chain Drive Co., Ltd. is a professional company that produces chains for motorcycles and industrial and agricultural machinery chains of various specifications. Its products are mainly matched with motorcycles, agricultural equipment, construction machinery and other main engine manufacturers. The supporting manufacturers include Chunfeng Power, Xindazhou Honda, Wuyang Honda, Wade Agricultural Machinery, Beiqi Futian, Shandong Juming, Heli Forklift, Liugong Forklift, etc.        The company took the lead in passing the ISO9001 quality system certification in the industry, with advanced production equipment and complete testing methods. The "Ruishi" chain produced by the company has won the praise of users for its high quality and perfect service, and has been rated as "excellent supplier" and "inspection free product" by many supporting factories over the years. The "Ruishi" chain was rated as a famous brand product in Zhejiang Province, and the "Ruishi" trademark was rated as a famous trademark in Zhejiang Province.