Lianyungang Tiantian Seaweed was founded in 1972, this is a high-tech enterprise that uses marine algae as raw material andcomprehensively utilizes marine organisms. The company covers an area of 100000 square meters, with more than 800 employees. The annual output of sodium alginate is 10000 tons, iodine 500 tons, and various products such as PGA, CMC, etc. The products are widely used in textile printing and dyeing, food ,chemical industry, medicine, and other industries.