Pressure Gauge, Manometer, CNG Pressure Gauge manufacturer / supplier in China, offering 1.5 Inch 40mm Half Stainless Steel Bottom Thread Type Liquid Filled Pressure Gauge, 4 Inch 100mm Bottom Type Black Steel Case Brass Internal Vacuum Pressure Gauge, 2.5 Inch 63mm Black Steel Case Brass Internal Bottom Vacuum Pressure Gauge and so on.