Soft Starter, Frequency Inverter, Frequency Converter manufacturer / supplier in China, offering Online Soft Starter 160kw Manufacture Direct Sale, Factory Price 440V 380V 220V Motor Soft Starter with Bypass Built in 5.5kw to 315kw for Air Compressor, Built-in Bypass 220kw Soft Starter 380V 3 Phase Electric Motor Speed Controller Motor for Water Pump and so on.