Pressure Gauge, Pressure Transmitter, Differential Pressure Transmitter manufacturer / supplier in China, offering Liquid Filling Water Oil Gas Pressure Gauges 63mm (2.5inch) -1-0-1000bar Bottom Connection for Vacuum Manometer, Gylcerin Filled Pressure Gauge 160psi Lower 2.5" Water Gas Hydraulic Manometer, Stainess Steel Pressure Gauges 4" Lower Glycerin Filled Water Gauge Hydraulic Pressure Manometer and so on.