Qingdao Develop Chemistry Co., Ltd Is a high-tech enterprise committed to the high-value development and utilization of Marine biological resources.The company's independent production of chito-oligosaccharides, enzymolysis seaweed extract, Series of Humic,Amino acid fertilizer/feed,NPK Water Soluble Fertilizer,Trace Elements Fertilize,Fish protein products,Is a collection of scientific research, production.sales and technical services as one of the comprehensive entity.