Pressure Gauge, Manometer, CNG Pressure Gauge manufacturer / supplier in China, offering 6"-150mm Stainless Steel Back Type High Static Pressure Differential Pressure Gauge, 6"-150mm Stainless Steel Bottom Connection Lower Differential Pressure Gauge with Flange, 1.5"-40mm Stainless Steel Case Liquid Filled Pressure Gauge with Glycerin Oil and so on.