Wong's Kong King International (Holdings) Ltd. engages in the trade and distribution of chemical, materials, and equipment for printed circuit board manufacturing; and the production of electrical and electronic products. It operates through the following segments: Trading, Manufacturing, and Others. The Trading segment consists of the trade and distribution of chemicals, materials and equipment used in the manufacturing of printed circuit boards and electronic products. The Manufacturing segment refers to the manufacture of electrical and electronic products. The company was founded by Senta Wong in 1975 and is headquartered in Hong Kong.