Wong's Kong King International (Holdings) Limited, an investment holding company, trades in and distributes chemicals, materials, and equipment for use in the manufacture of printed circuit boards and electronic products. It operates in two segments, Trading and Manufacturing. The company is involved in trading and distributing plastic and industrial products, semiconductor equipment, electronics components, printed circuit boards, and other related products; and trading, distribution, and installation of turnkey production facilities. It also manufactures and sells electrical and electronic products for original equipment manufacturers (OEMs); and produces film and plastic products. In addition, the company provides marketing, engineering, travel ticketing, and maintenance and after-sales services; and manufacturing, general trading, and hospital management, as well as turnkey manufacturing services to design, manufacture, test, distribute, and return/repair services for electronic components and assemblies for OEMs. It operates in North America, Europe, Hong Kong, Mainland China, Taiwan, and internationally. Wong's Kong King International (Holdings) Limited was founded in 1975 and is headquartered in Kowloon Bay, Hong Kong.