CSSC.CSSC, a large state-owned enterprise established in 1997 and headquartered in Jiangjin, Chongqing, is China's leading R&D and manufacturing base for heavy-duty gearboxes. As the sole supplier of critical components such as ship gearboxes within the marine systems sector, the company focuses on hardened gear transmission technology. Its products are widely applied across dozens of industries including marine, offshore engineering, energy, metallurgy, and rail transit. Building upon its mechanical transmission expertise, CSSC is actively expanding into the field of electromechanical-hydraulic system integration. The company maintains advanced management practices, having obtained ISO 9001 and other quality management system certifications early on. It stands as one of China's largest hardened gear manufacturing bases and a significant research and development center for ship rear transmission systems. Its core product portfolio encompasses various gearboxes, couplings, and vibration dampers.