Opler Bookbinding Co.,Ltd haS two offices in Beijing and Shanghai and we own two factories in China, specializing in manufacturing paper folders and perfect gluing binders. We achieve this through constant improvements in quality, productivity and innovation through our excellent personnel and quality products, and seeking quality solutions which enable our purchasers to realize the best return on their invested capital, we also provide our customers with up-to-date product information to meet their expectations for future development.