Pressure Gauge, Manometer, CNG Pressure Gauge manufacturer / supplier in China, offering 1.5 Inch 40mm Full Stainless Steel Back Type Vacuum Pressure Gauge Manometer, 2.5 Inch 63mm Chrome Plate Case Back Type Vacuum Pressure Gauge, 2.5 Inch 60mm Plastic Case Brass Connection Back Thread Type Pressure Manometer and so on.