Ningbo Gongyao Pressure Gauge Manufacturer Ltd. is a professional Manufacturer. Our main products series include capillary themometer,bimetal thermometer,regulator,glass industrial thermometer,Freon pressure gauges,Liquid filled pressure gauges,thermometer,pressure gauges,Cylinder thermometer,Max.-Min. Thermometer. Most of our products have obtained International Approvals like ISO9001 etc. With the advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with the high quality and best design.Main Export Markets:North America, Western Europe, Eastern Europe, South America, Southeast Asia, Mid East.