Shenzhen Jksemi Electronics Co. Ltdis a high-tech enterprise specialized in the wafer design, R&D, manufacture and marketing of power protection device and polymer over current protection material. JKSEMI is one of the professional suppliers in worldwide which possess over current and over voltage protection integrated circuits technology. Jksemi always plan, develop, and manufacture aiming at world-class electronic technology. Main products include power protection devices (TVS, ESD, TSS, MOS, SKY, DIODE, TRANSISTOR), polymer PPTC (PTC, PESD) etc. With support of Chinese Academy of Sciences, JKSEMI has built solid and long term partnership with well-known domestic foundries, like CSMC, ASMC, and IC packaging and test plants, like Huatian, BYD. Jksemi’s production bases locate in Shenzhen and Jiangsu, and produce two major series products-power devices and polymer materials. Product quality has reached international advanced level, especially our ultra-low capacitance series protective components, ultra-low resistance high-voltage series polymer PPTC, over-current and over-voltage module possess independent intellectual property rights and patent system. Company processes conform to ISO 9001, TS 16949 systems; products complies with IEC, FCC and other international standards, and also obtain UL, VDE, TUV, SGS and other environmental safety certification.