Suzhou Changsheng Chain Transmission Co., Ltd. (formerly Suzhou Changsheng Electromechanical), founded in 1988, specializes in the production of various transmission chains, conveyor chains, custom chains, and sprockets. Its main products include high-strength oil drilling rig transmission roller chains, pumping unit chains, A and B series standard chains, step chains, and supporting rollers, bushings, chain plates, and pins for custom chains. With over 20 years of experience in design, R&D, and production, the company utilizes modern technology for design, R&D, testing, and manufacturing. With a total area of 7,000 square meters, over 100 pieces of advanced equipment, over 100 employees, and over 20 technical staff, Changsheng boasts an annual production capacity of over one million meters of various chains. Changsheng's products meet the demands of both domestic and international markets and are exported to Europe, America, Japan, Southeast Asia, Central Asia, and other regions, earning unanimous recognition from industry buyers. The company boasts strong technical expertise and comprehensive testing equipment, including a research and development center, a testing center, and a mold manufacturing center. The company has independently applied for and obtained over 80 patents.
The company boasts advanced technology and a comprehensive quality management system. We received API certification from the American Petroleum Institute in 2015 and a network access permit from PetroChina in 2016. We have established partnerships with state-owned enterprises such as Daqing Oilfield, Xinjiang Western Drilling, Sinopec Shengli Engineering Company, and Sinopec Fourth Machinery Plant, further promoting the Changshengda brand. In December 2018, we became a Class A Tier 1 supplier to PetroChina and a Tier 2 supplier to Sinopec. Adhering to the production and management philosophy of "Professionalism through Focus, Success through Integrity," Changsheng strives to serve you wholeheartedly with the vitality of "long-lasting prosperity."
