Shanghai Houbao Thermal Supply Co., Ltd (short for HOUBAO), designs and manufactures electric heating elements and temperature detectors, including cartridge heaters, tubular heaters, ring heaters, spring heaters, Teflon heaters, ceramic heaters, mica heaters, quartz heaters, thermocouple, thermal resistance, etc.HOUBAO factory can customize or OEM electric products according to clients requirements; engineers from HOUBAO can recommend and provide best electric heating solution according to clients use demands.HOUBAO has well-established technical standard and quality control system. Our products can pass CQC, CE certification, and has been sold in west Asia, Middle East, Africa, east Europe, south and north America, etc.