Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for C1022 Self Drilling Screw, Self Tapping Hex Head Screws, Zinc Plated Hex Head Self Drilling Roof Screw, Hex Roof Screw,Hexagon Flanged Drill Tail Screw. We look forward to supplying you with our products in the near future, and you will find our quotation is very reasonable and the quality of our products is very excellent! The product will supply to all over the world, such as Europe, America, Australia,Chile, Zurich,Slovenia, belarus.We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.