Our business sticks for the basic principle of "Quality could be the life with the firm, and track record will be the soul of it" for Machine Screw, Color Roofing Self Drilling Screw, Fastenal Self Tapping Screws, Color Roofing Self Drilling Screw,Metal Screws Self Drilling. All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. The product will supply to all over the world, such as Europe, America, Australia,Lisbon, United States,Kuwait, Cyprus.We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.