Linyi guotai fastener Co.,Ltd. We have established advanced product development and control program. Our products are widely applied in construction, machinery, electric power and automobile, which are exported to Europe, America, Southeast Asia and Middle East, enjoying great reputation. With Quality First, Customer Upmost taken as business policy, Linyi guotai fastener Co.,Ltd. will stride forward and further cooperation with all friends from home or abroad. Our main products arrange: Self drilling screws self tapping screws wood screws roofing nails open end blind rivets Concrete nails nails