尤物视频污,99热99热99超碰,精品久久久久女少妇,少妇精品无码,日B视屏久久香色,亚洲美女午夜福利av,国产美女被操,国产九九精品,国产久久色情

Anhui Super Chemical Technology Co., Ltd. is located in Hefei City, Anhui Province, a beautiful city of science and education. We are mainly engaged in the producing and sales of cationic surface active agent such as quaternary ammonium salts, quaternary ammonium bases, quaternary phosphonium salts, etc.We can provide over 200 kinds of products in this area now. Our aim is to be the most complete sales company in China for these series. We have signed agent agreements with famous manufacturers in this field and we belong to their sales company helping their sales in China and abroad. What is more, we have built cooperation relationship with related enterprises in Japan and Germany and import products from them.In recent years, our company invests some research fund. Our company are cooperating with Joint laboratory USTC chemical physics and chemical engineering institute of Hefei University of Technology. Our research directions are oil field chemicals and downstream products of quaternary ammonium salts(for example emulsifying agents used in pesticide, sanitizers used in agriculture, surface active agents used in daily chemicals). Besides, we also provide customized service according to customers and market requirements. We have the advangtages on service, quality and price in some degree. Your satisfaction is our pursuit and look forward to our wonderful cooperation in the future.