Wai Chi Holdings Company Limited, an investment holding company, manufactures and trades in light-emitting diode (LED) backlight and LED lighting products to business corporations and public utilities in the People's Republic of China, Hong Kong, Taiwan, and internationally. It provides LED backlight products, such as automobile on-board displays, television displays, and other industrial equipment displays; and LED lighting products, including commercial and public lighting products. The company also offers various services comprising lighting solutions design, installation, maintenance, etc.; and energy management solutions, as well as semiconductor memory chips. The company was founded in 1984 and is headquartered in Kwun Tong, Hong Kong. Wai Chi Holdings Company Limited is a subsidiary of Rexell Technology Company Limited.