Semisam was established in 2011 in Dalingshan, Dongguan, dedicated to the research, production and marketing of passive protection components. Its core team is formed by a group of industry veterans led by a doctoral director, is a company with independent intellectual property rights from the chip R & D to the output of the finished product of the whole industry chain. Our products include: varistors, NTC/PTC thermistors, temperature sensors, SPD components, temperature switches, gas discharge tubes, TVS, etc. Our products have passed UL/CUL/TUV/CQC safety certification. Over the past ten years to the sensitive people uphold the "people-oriented, technology as the core, quality as life, the user as the soul" business philosophy, the products are favored by the majority of users.

In 2020, we established Guilin Semisam Electronic Technology Co., Ltd. in Guilin Economic and Technological Development Zone, Guangxi Province, and set up a large-scale production base, with about 20,000 square meters of standard production workshops, third-party authorized and accredited laboratories, the number of employees 200 people, and has obtained the ISO9001: 2005, ISO45001: 2018, ISO14001: 2015, IATF16949 :2016, SA8000:2014 five management system certification, with standard system and lean production, the pursuit of perfect products. And we have obtained many national/international patent certificates. Semisam Electronics has a professional product and equipment R & D team, more than ten years of development, has established a good reputation in the industry, we will wholeheartedly provide cost-effective one-stop circuit safety solutions for users at home and abroad.