We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for
4 4 diaminodiphenylsulfone price flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.