We retain bettering and perfecting our merchandise and service. At the same time, we do the job actively to do research and improvement for Din912 Hex Head Scoket Cap Screw, Screw With Hex Head , Roofing Screw , Tapping Screws ,Drywall Screw . We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! The product will supply to all over the world, such as Europe, America, Australia,Argentina , Palestine ,Spain , Honduras .We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.