ur 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-201x4 is a kind of Gel-type Polystyrene Series Strong Base Anion Exchange Resin. It is widely used for pure water production and antibiotic and suger extracting. 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.