Shenzhen Must Biological Science & Technology Co., Ltd. (here under called "Must Company"), is the subsidiary company of DESUN (H. K. ) GROUP in mainland China. The Company is located at CBD, the central commercial area of Shenzhen City, with convenient communication and graceful environment. For specializing in field of cosmetics, health products as well as biological medicine, Must Company is engaged in the entire line of research and development, manufacturing, marketing and sales service. The products are well recognized domestically and world widely in North American and European like United States, Canada, Switzerland, Russia, Lithuania and Poland.

Must Company has a motivated team work of researchers and doctorial specialists majoring in all related fields such as biomedicine, fine chemical industry, dermatology, pharmacy and neurology. There are also groups of well-trained marketing and sales people with experienced technical supporters. The modernization production base has met the national GMP standard as well as the ISO12000 - 14, 000 standards. With 21st century updated production equipment and technology, the Company has built up a complete examination facility and quality control system. The criteria of self-owned intellectual property rights and several awards from national invention patents made the company being the first priority for OEM in crowds of cosmetic companies.