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                About Us

                Chongqing Gearbox Co., Ltd (CQ-Gearbox), a subsidiary of China State Shipbuilding Corporation Limited(CSSC) is a large state-owned enterprise specialized in high-and-low speed heavy-duty gearboxes. Located in Jiangjin District, Chongqing, founded in 1967, CQ-Gearbox covers an area of more than 900,000 square meters and has about 2200 employees . The Company is professional gearbox supplier for  various heavy duty gearbox, its products are widely used traditiaonal and emerging indsutries.

                The company adheres to the high-quality development strategy to  build  the company become  A world-class leader in the gear transmission field that respects others and is respected by others



                Quality System

                ?In 1997, certified by IS09001 quality management system was certified. In 2003, quality, environment, occupation, health and safety Management System were certifiied;, In 2016  the certification of  integrated management system of informatization and industrialization was passed .

                ??Chongqing Gearbox has a large high-precision gear testing laboratory, which has obtained the certification of CNAS and DIL AC. The Gears inspecting ability is up to  diameter of 4000mm ,weight of 15000kg, and precision of level 3.

                ???The company has built a 1.5MW16MW series electric feedback energy-saving load operation gearbox comprehensive performance test bench, equipped with advanced instruments such as high-precision strain test data acquisition system, which can test and verify the complete gearbox and  its components to ensure the excellent quality and reliable value of delivery products.


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