Ka Shui International Holdings Ltd. is an investment company, which engages in the sale and manufacture of zinc, magnesium, and aluminum alloy die casting; and plastic injection products and components. The firm also trades in lighting products and home appliances. It operates through the following segments: Zinc Alloy, Magnesium Alloy, Aluminum Alloy, Plastic, and Others. The company was founded by Yuen Fat Lee in 1980 and is headquartered in Hong Kong.