Shangshan Gold International Holdings Limited, an investment holding company, provides auction, artwork sales, and related services in Hong Kong and Japan. It offers auctions for Chinese and Japanese artworks, such as paintings and calligraphies, antiques, and teawares under the Tokyo Chuo Auction brand name; and exhibition services. The company is also involved in the money lending services, as well as operates an online trading and information platform. Its customers primarily include sellers who consign artworks for art auction and related business; and buyers who purchase artworks in the art auctions, including artworks artists, masters, experts, merchants, collectors, art galleries, and private museums.