we produce display book, expanding file, ring binder, index / divider , envelope, filing, photo album. Shopping bag, We export large quantity toUSA and Asian countries, deal to high quality and reasonable price. We are ready to refer to you our favourable price and relative samples, Should you have interest of items mentioned above ? Kindly let us know by return mail. For getting all the detailed information, you are invited to our website:3w dot yishengwenju dot com. thank you !