Bimetal Thermometer, Pressure Gauge, Temperature and Pressure Gauge manufacturer / supplier in China, offering Back Connection Thermometer Thread 1/2"NPT Stem Od 6.35mm, Thermometer 3", 4", 5", and 6" Available, Aluminum Material, Dish Shape, 4" Dial Size Aluminum Material Glass Standard, Shatterproof Glass Len Is Available and so on.