Our have two types of products, including sulfonation type and plasticizer.Sulfonation series are 4 kinds of products, the annual output is 5,000 tons.We can produce 5,000 tons of N-Ethyl- P-Toluene sulfonamide and 5,000 tons of N-butylbenzene sulfonamide every year.These products can be used in med...[ Click for details ]