Anyang Double Circle Auxiliary CO.,LTD is a professional manufacturer of surfactant. We have strong technical force with high-qualified employees who all have over twenty years working experience. Our company also have advanced detecting system and strong technology development strength. At the same time we can choose the best prescription for different customers and provide the corresponding service. Our company passed ISO 9001:2000 quality management system certification in 2003. Our annual production capacity is 30,000 metric tons. The following is our main products: Dispersant MF, N, NNO, CNF, S for dyeing industry; modified lignosulfonate auxiliaries series dispersant for dyeing, Nekal BX, penetrating agent T, dispersant for painting, coating and ink; dispersant for paper, pesticide, oil and electroplating industry; dispersant for rubber, latex and carbon black industry. Dispersant for water treatment, ceramics and polishing powder industry; additive for concrete in building industry, water reducer, early strength agent, retarder and pumping admixture series additive series for water and coal mixture; dust prevention FC-3; naphthalene sulfonate formaldehyde condensate, methyl naphthalene sulfonate formaldehyde condensate. “Shuanghuan” brand auxiliary is popular not only in china but also in Europe, America, south-east Asia and other regions. We have our own import and export right. At present, we are in the period of development and growth. The factory has beautiful surrounding and has advanced equipment and great management. The product has good quality and great reputation. To satisfy our customer is our never-ending goal. Our aims: good quality, better price and perfect service in order to survive and develop.