We Huanya Instrument&Meter, produce temperature instruments, electrical heaters and their accessories. We can produce various kinds of specification sheathed thermocouple/RTD according IEC standards and produce electrical heater for industrial areas. Our factory took the lead in researching and producing explosion-proof type sheathed thermocouple/RTD and on the base of series site installation intergrative temperature transmitter, we researched various kinds of thermocouple/RTD which can resist high temperature, high pressure, corrosion and abrasion and developed bimetallic thermometer. We drafted JB/T5582-91<SHEATED THERMOCOUPLE TECHNICAL SPECIFICATION>which is the professional standard on beheave of temperature instrument industry in our country. Various kinds of products and widely used in many fields in our country and expored to the country in Southease Asia. At the begining of 21th century, our factory research intellitent temperature transmitter multipoint sheathed thermocouple/RTD, explosion-proof multipoint sheathed thermocouple/RTD and sheathed multipoint thermocouple.Our factory has set up the quality system according to the requirement of GB/T19001-ISO9001, and past the approval by Beijing Quality Assurance Center and BCC. We would like to cooperate sincerely with our strong technical strength, product structure advan tage, excellent sales service and develop the spirit of 'the customer in the heart of SIC, SIC always around with the customer from begining to end.