Tianjin Dery Import & Export Co., Ltd is a professional supplier of fasteners in China. The main products of our company are Chipboard Screw, Drywall screw, concrete screw, Self Tapping screw, Self Drilling Screw, Concrete Screw, Common Nail, Concrete Nail, ST nail, Coil Nail, Various Special-shaped nail and so on. Our company has an energetic and professional team and built a standard system of management. Based on the principles of " Quality First, People Oriented", we have won high reputation in the international market. Our products have been exported to many countries and areas, such as Europe, America, southeast Asia Middle East and other areas.