Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Carriage Bolts, Wing Nuts , Hex Set Screws , One Piece Nuts ,Hex High Nuts . We sincerely welcome overseas customers to consult for the long-term cooperation and the mutual development.We strongly believe that we can do better and better. The product will supply to all over the world, such as Europe, America, Australia,Czech republic , Netherlands ,Frankfurt , California .Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.