Sanjac Instruction & Meter Cor., Ltd. Was founded in Xiamen city, has experienced twenty years in sensor area. We design and manufacture a completely line of high quality standard and custom temperature sensors including thermocouples, RTD and thermowells as well as a wild selection of junction boxes, cable and hardness assemblies. Sanjac had got China Explosion-proof Certificate, which reinforce our ability in providing excellent products for our customers. Products as follows. Sheath thermocouple/RTD, Thermocouple/RTD With Head, Explosion-proof Thermocouple /RTD, Handheld Surface Thermocouple, Handheld Thermometer, Thermocouple Head, Thermocouple Connectors, Thermocouple Wire.