What is the Chinese name of KEC MOS tube brand, and what is Kia brand?

KEC Semiconductor Co., Ltd., whose Chinese name is "Kai Yixi", is a multinational group company specializing in the production of triodes and other integrated circuits. Originally established in September 1969, it was listed in September 1979. In China, there are Wuxi Kaiyixi Semiconductor Co., Ltd. (KEC-W), Wuxi Taishi Precision Electronics Co., Ltd. (TSP) and Yi Kai.