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. It also engages in the research, development, production, sale, installation, and after sale service of electrical/electronic components and installation, including integrated gate bipolar transistors; and production of electrical capacitors and its devices, amorphous alloy transformers, DC current anode saturable dry-type reactors, and FM voltage AC traction devices. In addition, the company manufactures and sells pulsed power equipment, insulated gate bipolar transistor gate units, and other electronic parts. Further, it engages in the technology research of electronic power device railway equipment; distribution and sale of power electronic components; import and export of goods and technologies; and trading of various products and technologies. The company was formerly known as Sun.King Power Electronics Group Limited and changed its name to Sun.King Technology Group Limited in November 2020. Sun.King Technology Group Limited was founded in 2002 and is headquartered in Beijing, the People's Republic of China.