Huizhou Long Dragon Biotechnology Co., Ltd is a Hong Kong high-tech enterprises committed to the life-health area, which has production base and sales base in Huizhou, Zhaoqing and Shenzhen. It is mainly engaged in marine biological chitosan oligosaccharide and related product development, production and sales. On the base of technological innovation, the company has established a domestic first-class research and development center of chitosan technology, and its R & D team consists of more than 10 doctors and masters.