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, pestic..