Profile: Dalian POWTRAN Technology Co., Ltd. is a manufacturer and supplier of variable frequency drives. Our products include inverters & converters, soft starters, servo drives & motors, EMI filters and spare parts. Our inverters & converters are widely applied in electronics, metallurgy, mining, petrochemical, transportation, municipal, metal processing, and paper making industries. Our PI7800 inverter supplies the more comprehensive motor control solutions. It employs the advanced technology of PWM control & vector control, power module and DSP control. Our soft starters are applied in motor drives of larger KW. It adapts 16 single chip digital automation control. The mode of connection is three input and six output. It also reduces vibration and noise of equipment, and extends the life span of mechanical transmission.