Thinking Electronic Industrial Co., Ltd. manufactures, processes, sells, and trades electronic components, thermistors, varistors, and wires in Taiwan, Mainland China, Europe, and internationally. It operates through segments including The Company, Thinking Changzhou, Thinking Yichang, Jiang Xi Thinking, Dong Guan Welkin, Zhongshan Welkin, and Others. The company offers a range of products such as thermistors, varistors, sensors, gas discharge tubes, ESD suppressors, protection diodes, TVS diodes, spark gap protectors, thyristor and IGBT modules, and high voltage rectifiers. These products are used in automotive, AI liquid cooling, telecom, industrial, smart home, renewable energy, power supply, consumer electronics, and medical applications. Formerly known as Thinking Company Ltd, it changed its name to Thinking Electronic Industrial Co., Ltd. in June 1989. Incorporated in 1979, it is based in Kaohsiung, Taiwan.