Shanghai Tuwei Industry Development Co., Ltd is located in China(Shanghai) Free Trade Zone,  it is very convenient for international transportation. Shanghai Tuwei Industry Development Co., Ltd is a professional supplier of pressure switch, differential pressure switch , temperature switch, flow switch, solenoid valve, expansion valve, bypass valve, sight glass and other spare parts for refrigeration spare parts. It has a professional service team, including technicians, sale staffs, after-sales persons. It is becoming to be reliable supplier with many international partners from different coutries.