4-20mA, AC, Diffused Silicon manufacturer / supplier in China, offering Ns-P22 Pressure Transmitter/Hydraulic/Pressure Transducer/Air Conditioning/Compressor/ HVAC/Pressure Measurement/Output 4~20mA/Ce/RoHS, Ns-Yb04D-A4 Digital Indicator/Display Controller / Display Instrument/ Load Cell/Lvdt/, Ns-P321 Pressure Transmitter/Pressure Transducer/Air Conditioning/HVAC/Refrigeration/Pressure Measurement and so on.