Pressure Gauge, Manometer, CNG Pressure Gauge manufacturer / supplier in China, offering 2.5" (63mm) Stainless Steel Back Non Liquid-Filling Pressure Gauge CE 1.6/2.5, 2" (50mm) Full Ss Pressure Gauge 2bar CE, 1.5" (50mm) - Full stainless Steel Pressure Gauge Manometer Triple Scale and so on.