Sun King Technology Group Ltd. is an investment holding company, which engages in the manufacturing and trading of power electronic components. Its products include railway applications, IGBT power modules, power grip applications, anode saturable reactors, busbars, rectifiers, semiconductors, power integrations drivers, sensors, high voltage power capacitors, systems and industrial applications, power quality improvement equipment, and other power electronic equipment. The company was founded by Jie Xiang in 2002 and is headquartered in Beijing, China.