TECHSEM(300046.SZ)

Tech Semiconductors Co., Ltd. engages in the development, manufacture, and sale of power semiconductor devices in China. The company offers flat panel components, including ordinary and fast thyristors, high frequency and bidirectional thyristors, rectifier and fast recovery diodes, and welding machine diodes; thyristor diode modules comprising ordinary thyristor and rectifier, ordinary rectifier, non-insulated thyristor and rectifier, non-insulated rectifier, fast thyristor and fast recovery rectifier, single- and three-phase rectifier bridge, welding ordinary thyristor and rectifier, welding ordinary rectifier tube, three-phase rectifier bridge and thyristor, flat panel power, and fast recovery diode; and IGBT modules, such as industrial frequency conversion PIM, inverter welding machine IGBT, industrial frequency conversion IGBT, induction heating IGBT, and 1700V series IGBT modules. It also provides plastic- encapsulated components and bolt tubes that consists of plastic packaged thyristor, plastic sealed rectifier, plastic package IGBT, and bolt pipe, as well as specialty semiconductor devices comprising pulse thyristor, pulse diode, and high-power ultra-high-speed semiconductor switch RSD.