Beijing Sunking Power Electronics Technology Co., Ltd. is a wholly-owned subsidiary of SUN.KING Technology Group Co., Ltd. With a professional sales team and meticulous after-sales service, SUN.KING has been the world's largest authorized distributor of Hitachi Energy Semiconductor (formerly ABB Semiconductor) products for several consecutive years. In addition, as a distributor of Bussmann fast melting and power integration drivers, Beijing SUN.KING is also the Chinese general agent for ABB Switzerland's high-voltage power electronic components, DynAmp high current measurement sensing systems, Siebel power supplies, ELDRE busbars, Milim heat sinks, and undertakes the responsibility of providing high-quality imported power electronic components to Chinese customers.

The imported power electronic components sold are used in industries such as power transmission and distribution, electric locomotives, mining and chemical engineering, non-ferrous metals, and steel refining. Maintain long-term and good cooperation with many industry leaders, including CRRC, State Grid Intelligent Grid Research Institute, Xidian Group, Xuji Group, NARI Group, China Electric Power Purui, Hefei Sunshine, Suzhou Huichuan, TBEA, Mingyang Electric, and Hewang Electric.