Hangzhou Chengke Machinery Co., Ltd.in the scenic banks of the Qiantang River in Hangzhou, the state-level economic and technological development zones, the Company, by professional engineers engaged in research powder metallurgy, engineering and technical personnel, management, Friction film and powder metallurgy, clutch - , The brake-chip, the dual structure of film and paper-based non-metallic materials friction friction-PM-copper-based national standard formula used, mature technology and special equipment made of, with the high friction coefficient, the longer the resistance of Moldova , A smooth and reliable clutch, brake and soft use of the advantages of high temperatures. Widely used in mechanical power transmission speed, braking, and so on.