Thinking Electronic Industrial Co., Ltd. engages in the business of manufacturing, processing, and selling electric devices, thermistors, varistors, and wires. It operates through the following segments: Thinking Electronic Industrial Co., Ltd. (Thinking), Yenyo, Thinking Changzhou, and Guangdong Welkin Thinking. The Yenyo segment focuses on diodes. The Thinking Changzhou segment includes thermistors, varistors, and sensors. The Guangdong Welkin Thinking segment is involved in wholesaling thermistors, varistors, sensors, and equipment. The company was founded on July 16, 1979 and is headquartered in Kaohsiung, Taiwan.