Hangzhou Advance Gearbox Group Co.,LTD (Hangzhou Gearbox Works) was founded in 1960, and is specilaized in desiging and manufacturing transmission and power metallurgical products, which is one of major high and new-tech enterprises in China.It has covering over 1000 types, including marine gearboxes and controllable-pitch propellers (CPPs), construction machinery transmissions and driving axles, automotive transmissions, wind turbine transmissions, industrial transmissions, agricultural transmissions, large-sized high-precision gears and powder metallurgical (P/M) products.