Sun.King Technology Group Limited, an investment holding company, engages in manufacture and trading of 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 also engages in the research, development, production, sale, installation, and after sale service of electrical/electronic components and installation, including integrated gate bipolar transistors; production of electrical capacitors and its devices, amorphous alloy transformers, DC current anode saturable dry-type reactors, and FM voltage AC traction device; and integrated busbars for use in battery packs in electric vehicles and energy storage sectors. In addition, it is involved in manufacture and sale of pulsed power equipment, insulated gate bipolar transistor gate units, and other electronic parts; technology research of electronic power device railway equipment; distribution and sale of power electronic components; import and export of goods and technologies; trading of various products and technologies; and research, development, production, and sale of semiconductor and other components. 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.