Qingdao sea ng biotechnology co., LTD. Is a company has many years research and development of Marine biological products of high-tech enterprises. Companies rely on strong Marine research institute of Chinese academy of science and technology advantages, using high and new technology, "take the essence of Marine life", specializing in the production of Marine biological products. Main products include: to select Alaska cod crab as raw material to produce high-quality chitin, chitosan oligosaccharide, shell series products and collagen, chondroitin sulfate, glucosamine...Details>>