Pressure Gauge, Manometer, CNG Pressure Gauge manufacturer / supplier in China, offering 2 Inch 50mm Half Stainless Steel Pressure Gauge Front with Butterfly Clamp, 1.5 Inch 40mm Half Stainless Steel Liquid Filled Pressure Gauge with Flange, 1.5 Inch 40mm Black Steel Case Back Brass Connection Vacuum Gauge with U-Clamp and so on.