Introduction: KEC was founded in 1969 and is a Korean funded enterprise. Through decades of continuous technological development and business innovation, it has not only won the general trust of well-known electronic companies at home and abroad in terms of quality, but also gained widespread recognition for its excellent technical capabilities. KEC mainly produces semiconductors such as transistors and diodes. From crystal cells to finished products, they are all independently produced and gradually using their own equipment, including equipment. Customers have many world-renowned brand enterprises, and their products are only sold to Europe, America, and Japan. Of course, this department is in Korea. Local factories: CHINA, TAIWAN, U.S.A, THAILAND, MALAYSIA, SINGORE, EUPROPE. In China, there are: Wuxi Kaiyixi Semiconductor Co., Ltd. (KEC-W), Wuxi Taishi Precision Electronics Co., Ltd. (TSP), Kaiyixi Wuxi Co., Ltd., Kaiyixi Zhongshan Co., Ltd. (KEC-Z), as well as Kaiyixi Thailand Company, which has sales companies in many countries around the world.