Sunray Engineering Group Limited, an investment holding company, engages in the provision of building protection works, and supply of building protection products in Hong Kong and Macau. The company provides selection and use of building protection products for protection against water, thermal, acoustic, and fire; and identifies, sources, promotes, and distributes suitable building protection products. It also offers waterproofing, tiling, flooring, and other products for residential and commercial buildings, and community facilities. The company was founded in 1988 and is based in Cheung Sha Wan, Hong Kong. Sunray Engineering Group Limited operates as a subsidiary of Ultra Success Industries Limited.