factory is one of the biggest ion exchange resin manufacturers in China which is porducing more than forty kinds of resins for different applications. TY-201x7 is a kind of Gel-type Polystyrene Series Strong Base Anion Exchange Resin. It is widely used for water softening, desalination and extracting of antibiotic. Our resins are widely exporting to USA, Russia, Europe, Middle-East countries and Japan. If you are interested in our product, please not hesitate to contact us. We are looking forward to offering the best price and excellent service to you.