Ka Shui International Holdings Limited, an investment holding company, engages in the manufacture and sale of zinc, magnesium, and aluminum alloy die casting products and components in the People’s Republic of China, the United States, and internationally. The company operates through nine segments: Zinc Alloy; Magnesium Alloy; Aluminium Alloy; Plastic Products and components; Trading of Lighting Products; Provision of Motor Vehicle Repairing Services; Sales of Special Purpose Vehicles; Provision of New Energy Vehicles Power Systems; and Production of Smart Home and Other Products. It also offers plastic injection products and components. In addition, the company is involved in the trading and marketing of LED and plasma lighting products; trading of home appliance products; marketing of zinc, magnesium, aluminum alloy die casting, and plastic injection products and components; and research and development, and trading of 3D printing products.