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About TECHSEM

Listed companies of high-power semiconductor devices in China

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.

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Product Center

Widely used in electrical control systems and industrial power equipment
  • Thyristor / Diode Discretes

    Plate element

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  • Thyristor / Diode Modules

    Thyristor diode module

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  • IGBT

    Insulated Gate Bipolar Transistor

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  • Power Module

    Power module

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  • Specialty Semiconductor Device

    Special semiconductor

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  • en塑封器件及螺栓管

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Technology Strength

Independent intellectual property rights semiconductor product design and manufacturing technology
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  • High temperature test chamber
  • Acoustic Microscopes
  • High temperature blocking control
  • IGBT Test

2070ten thousand

Annual R&D investment

3individual

Provincial scientific research platform

21items

Participate in drafting national or industry standards

marketing network

35 authorized distributors covering the national marketing network

The company has more than 50 years of technology precipitation, and the main products are far ahead in the domestic annual sales volume, and the performance and reliability are at the international advanced level

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News Center

Timely understanding of the latest information and industry trends of Taiji
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