Wai Yuen Tong Medicine Holdings Ltd. is an investment holding company, which engages in the production and sale of pharmaceutical products. It operates through the following business segments: Production and Sale of Chinese Pharmaceutical and Health Food Products, Production and Sale of Western Pharmaceutical and Health Food Products, Property Investment, and Management and Sale of Properties in Agriculture Produce Exchange Markets. The Production and Sale of Chinese Pharmaceutical and Health Food Products segment focuses on the manufacture, processing, and sale of traditional Chinese medicine, which includes Chinese medicinal products sold under the brand name of Wai Yuen Tong, and a range of products manufactured using selected medicinal materials with traditional prescriptions, mainly in Mainland China and Hong Kong. The Production and Sale of Western Pharmaceutical and Health Food Products segment sells Western pharmaceutical products and personal care products under the brand names of Madame Pearl's and Pearl's, respectively. The Property Investment segment refers to the investment in commercial premises for rental income. The company was founded on August 12, 1994 and is headquartered in Hong Kong.