Jinan Haidebei Marine Bioengineering Co.Ltd. is a professional company researches and manufactures natural active substance, such as chitin, chitosan, chitosan oligosaccharide, water soluble chitosan, high density chitosan, special-purpose chitosan, biochemical products, health care products and other abstracts of animals and plants. Also our company is one of the biggest enterprises that manufacture Chitin and their ramifications in china.