49851-31-2 C.A.S 1451-82-7 C.A.S 51-05-8 C.A.S 59-46-1

We specialize in the production and sale of various organic intermediates, pharmaceutical intermediates, fine chemicals and so on. We have a professional research team, seriously create each customer needs products and also we can provide samples for you to test more pun door-to-door delivery service to make our service more convenient, faster, and more reliable. Welcome to negotiate!