Our company has its owned producing factory which specialize in making :punching parts, screws, nuts, bolts, and anchor bolts,washers:DIN125,126,127,137,433,434, 435, 436, 440, 1440, 7349, 7989, 7980, 9021, 6797A ,6797J, 6798A ,6798J,6916,AS1237,SAE pattern, USS pattern, BS, NF25513, ASTM-F436,spring washers, Fender washers, lock washer,An960,An970series washer, nonstandard washers, stamping products etc, We can also produce according to your charts. Our products are of high quality and competitive price. Should any of these items YOU are interested in, please do not hesitate to contact us. We are looking forward to receiving your specific inquiry!