CN GPOWER GEARBOX CO., LTD. is one of members of China Shipbuilding Industry Corporation, and it's former name is Chongqing Gearbox Co.,Ltd.The company is the central-goverment controlled large-size enterprise, specialized in designing and manufacturing high precision and case hardening gearboxes, couplings, dampers for marine industry, and gearboxes for Cement Industry, hydroelectric power, thermal power, nuclear power and wind power industries, yaw and pitch drive, high precision automobile engine gears. The company was founded in 1966 and locates in Jiangjin District roughly 50 kilometers southwest of Chongqing city. Its total assets amount to RMB 5.2 billion and it covers a total land area of 800,000m2 ,Its total number of the employee is more than 3000. The company has the national-grade technical center, the professional technicians are more than 700. According to customer requirements, high-speed heavy-duty and low-speed heavy-duty gear -driving equipments with variable speed ratios and different mounting forms, transmitting different torques, and the couplings, dampers with different torque transmission capacity could be designed and manufactured. We can manufacture the involute gears with the diameters from 20 mm to 4000mm, modules from 0.5 mm to 40mm, precisions up to DIN-3 degree, and surface hardness of gears up to HR58-62. The company maintains the domestic leading position in the fields of the design and manufacturing techniques of high-precision hard-surface gears, high/low speed heavy-duty gear-driving equipments. It has also achieved the same level of developed countries in Europe and American in the above mentioned areas. Currently, the products of the company widely serve the various industries that include the shipbuilding, cement, metallurgy, wind power, hydroelectric power, thermal power, nuclear power, spaceflight, ocean engineering, rail vehicle, light rail, water conservation, Hoisting and lifting, transportation, petroleum, chemical engineering, and automobile etc. Both the Chongchi marine gearbox and the Chongchi reducer were awarded the title of China top brand.