1. Applications for automobiles, machine equipment, locks, and other.
2. Material: low carbon steel, medium carbon steel, high carbon steel, alloy steel, boron steel, cor-ten steel, brass steel.
1. Standard: IFI, DIN, ISO, BS, AS and JIS. 2. Mechanical property: GR1, GR2, GR5, GR5.1, GR5.2, GR8, GR8.1, GR8.2,CL4.6, CL4.8, CL5.8, CL6.8, CL8.8, CL9.8, CL10.9, CL12.9, and CL14.99. 3. Surface treatment: surface treatment, black oxide, black zinc plated, copper plated, dacromat plated, hot dipped galvanized, mechanical galvanized, nickel plated, oil quenched with black finished, phosphate & oil, ruspert colorful plated, waxed, zinc plated.