1975: Northwest Electric Industrial Co., Ltd. was established, mainly producing antenna rods and nickel-zinc iron cores; 1992: Taiqing Precision Electronics Co., Ltd. was established, mainly producing surface-mounted laminated chip inductors; 1995: Dongguan Northwest Electric Co., Ltd. The company was established, mainly producing nickel-zinc series iron cores; 2000: Taiqing Precision Electronics and Northwest Electric were merged into Taiqing Precision Electronics Co., Ltd., and Dongguan Northwest Electric was changed to Dongguan Taiqing Precision Electronics Co., Ltd.