continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Gb/Jis Standard Hdg Carbon Steel Hex Nut, Thick Flat Washer , Q345 Angle Bar , Carbon Steel Nut ,Round Head Bolt . 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,United States , Salt Lake City ,Colombia , Israel .Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our products, please do not hesitate to contact us for further information.