... , the plant has formed hydraulic coupling and hydraulic transmission unit series products of 280, 420, 560, 650, 670, 750, 875, ... 1000, 1150,etc; oil-extended adjusting centrifugal turbine torque converter series products with working chambers diameter of 480, 550, 650, 750 ... , gas engine) of 135, 140, 160, 180, 190, 200, 260, 320 and other series, kinds of motors, and foreign advanced power machinery ...