Yee Ying Leung

Antiviral Technologies, Inc. operates as a development stage biotechnology company utilizing cysteamine compositions in the development of antiviral drugs for human application. It operates business through subsidiary Obio Pharmaceutical (HK) Ltd. The company has offices in Beijing and Hong Kong. Antiviral Technologies was founded on September 13, 2007 and is headquartered in Hong Kong.

Walcom Group Ltd. is a holding company, which engages in the research, development, commercialization, production and marketing of animal feed additive products. Its products include Porcinin Plus, Porcimax, Eggronin Plus, and Aquanin Plus. It operates through the following geographical segments: Hong Kong, China, Philippines, Thailand, Taiwan, Other Asia-Pacific Countries, Europe and the United Kingdom, America and Canada, and Others. The company was founded in 2004 and is headquartered in Shanghai, China.