Formal. According to Baidu Encyclopedia query, Hongsai Jewelry was established in 1993 and specializes in promoting the Hong Kong "Hongsai" brand in China. The company has specialized in the retail and wholesale of gold, K gold, palladium, diamonds, rubies, sapphires, and jade for many years. It has rich industry management experience and has a high reputation in the industry. The company has won many titles, including "China Quality Journey' National Brand with Excellent Product Quality and Satisfactory Service", "Brand on the CCTV List", "China's Famous Brand", "Quality and Reputation Double Guarantee Demonstration Unit", etc.