Sun.King Technology Group Limited, an investment holding company, manufactures and trades in power electronic components for use in power transmission and distribution, electrified transportation, industrial, and other sectors in the People’s Republic of China. The company engages in the research and development, design, production, and sale of anode saturation reactors. It is also involved in the research and development, production, and sale of high voltage power capacitors and their complete sets, as well as related engineering services; aminated busbars and cell contacting systems; and chips, such as IGBT, FRD, and SIC, as well as high-power semiconductor products, including modules. In addition, the company engages in the technology research for electronic power device railway equipment; sale and distribution of power electronic components; and import and export of goods and technologies.