we are a manufacturer and exporter of fasteners located in wenzhou,zhejiang. we mainly produce the products of hexagon bolts,hexagon socket bolts,u-shaped bolts,high strength bolts,t-shaped bolts and flange bolts,which are according to gb,din standard.welcome to visit our website and if you are interested in any of our products,dont hesitate to contact us. we will offer you good quality,best price and good service after sale.