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Hubei TECHSEM Semiconductor Co., Ltd. was founded in 1966 and listed on the GEM of Shenzhen Stock Exchange in 2010. The stock is referred to as "TECHSEM Stock" and the stock code is "300046". The registered capital is 237.17 million yuan.

The company is mainly engaged in R&D, manufacturing, sales and service of high-power semiconductor devices and their components such as power thyristors, rectifier tubes, and power semiconductor modules. The products are widely used in steel smelting, motor drive, high-power power supply, transmission, transformation and distribution, rail transit, welding machine, new energy, national defense and other industries and fields.