We specially produce stainless steel, medium carbon steel, steel, A3 high strength fastening screws, DIN913??/span>D IN914??/span>DI N915??/span>DIN 916??/span>GB T77??/span>T78??/span>T79??/span>T80??/span>71??/span>73??/span>74??/span>75??/span>, products of M3—M16. We also have various non-standard parts made to order.