Advance technique,compact size, good leak profess, small footprint and light weight. Long service life and easy to maintain. Electric Roller (reducer): 1. Outer former or inner former2. Outer former: DYW-I model, II model3. Inner former:  FD model wind frozen...

gears are carburing hardened to HRC58-62. Electric roller (speed reducer):  1. Gearboxes and gears are precisely forged by high rigidity steel and high quality alloy-steel respectively. And they are hobbed and ground which bring lower noice and temperature- rising.2. Gears and...