For many years,our company has been working in thebusiness field of manufacturing of ordering special rivets(bolts)&special germicide n repellent wallpapers ,special functional brick,special screw drainage products and etc.If you are interested in our products, please letus know. we will send you a detailed price list and catalogs by e-mail.We are looking forward to your early reply, with our very best wishes and regards. Yours truly, WORLD C.INTERNATIONAL J.H.Baek President