China Henan Hangrui Environmental Protection Technology Co., Ltd is a modern high-tech enterprise specialized in the research and development, production, sales and service of  polyacrylamide. At present, the company produces 70,000 tons of polyacrylamide annually and has more than 150 employees; the products are mainly sold to more than 80 countries and regions domestically and abroad, the company has established Hangrui Scientific Research Center, and its products have made great breakthroughs in water treatment, industrial sewage treatment chemicals, polyacrylamide, and flocculants. It has 15 patents and 6 scientific and technological achievements appraisal.