Pressure Gauge, Manometer, Thermometer manufacturer / supplier in China, offering Te2000 0-60PA 120mm Circular Digital Air Differential Pressure Gauge Mechanical Micro Differential Pressure Meter, All Stainless Steel Pressure Gauge Shock Resistant Corrosion Resistant Pressure Gauge Liquid Air Gas Fuel Water Manometer, Factory Supplier Electric Actuator for Underfloor Heating 2 Wire Thermal Wax 230V Normally Closed 220V Actuator for Hotels and so on.