An integrated circuit design enterprise focusing on the design and development, chip processing, packaging and testing, and product sales of advanced semiconductor power devices and integrated circuits. SJ MOSFET, DT MOSFET, HV VDMOS, IGBT, IGTO, Half Bridge Gate Driver and other advanced semiconductor power devices developed and produced by the company and related power management integrated circuits and other products are widely used in energy saving, green lighting, wind power generation, smart grid, Hybrid \ electric vehicles, instrumentation, consumer electronics and other fields.