... 2.High efficiency 3.high torque at low speed 4.Speed adjustable Drawings and Parameters of Forward and Backward Running Low Speed High ... ways.3.Good torque performance, high torque at low speed. Run smoothly at low speed, small vibration. Low startup current ... Power Electric Machinery Co., LTD,TEL :86-18954868821,86-0538-5076117,5076118,FAX: 86-0538-5076111 Forward and Backward Running Low Speed High ...