Hangzhou Advance Gearbox Group Co., Ltd. is engaged in the design, manufacture and sale of transmission and powder metallurgical products. It offers portfolio consists of marine gearboxes and adjustable propellers, such as small and medium power, and light high speed series, hydraulic clutches and others, engineering machinery gear boxes and drive bridges, automobile speed changers and transfer cases, special vehicle speed changers, agricultural machinery gear boxes, industrial transmission devices, wind power speed-up boxes, friction materials and friction plates, powder metallurgical products, large precise gears, casting parts as well as forging parts. The company was founded in 1960 and is headquartered in Hangzhou, China.