... Injection machine, central air conditioning, numerical controlmachine tool, air-compressor, fan and pump, blower, air conditioner for largebuildings; Wastewater treatment system ... largebuildings; Public water supply system and other industries and fieldsExhaust Fan in Coal MineProduct line: frequency inverter, servo motor and ... ~690v3 phase input& 3 phase output Drive, Inverter, Motor speed Controller