Domaine Power Holdings Limited, an investment holding company, designs, manufactures, processes, exports, and sells fine jewelries in Hong Kong and Mainland China. It provides fine jewelry products in karat gold, including rings, earrings, pendants, necklaces, bracelets, bangles, cufflinks, brooches, and anklets; and gold products and materials, and watches. The company also trades in precious metals and raw jewelry materials. It offers its jewelry products to jewelry wholesalers and retailers and high-net-worth customers.