S**C series, SS series, SK series, SKS series, NAK series, SKD series, SKH series, SCM series, SNCM series, SUJ series, HPM series, DC53, YXR3, CENA-V, SLD, PD613, etc.
Cast iron:FC series, FCD series, etc.
Stainless steel (iron):SUS303, SUS304, SUS316, SUS420, SUS430, SUS440, SUS630, etc.
Aluminum:A1050, A2014, A2017, A5052, A5056, A6061, A6063, A7075, etc.
Copper:C1100, C1020, C14500, C18150, C2081, C3604, C5191, BECU25 (C17200), BECU50 (C17510), BC3, BC6, etc.
Resin:Acrylic; plastics (PA, PP, PVC, POM, ABS, PET, etc.); nylon (MC); PEEK; bakelite (paper bakelite, cloth bakelite), etc.
Other:Titanium (Ti), nickel (Ni), etc.
Low temperature black chrome plating, hard chrome plating, electroless nickel (deposition/chemical nickel), nickel plating (bright nickel), white/black/blue/colored zinc plating, phosphating, black dyeing, gas nitriding, liquid nitriding, sand blasting, etc.
Mechanical polishing, electrolytic polishing, pickling, passivation, wire drawing, sand blasting (shot peening), etc.
Natural color oxidation (white), black oxidation (sub-color/ordinary/bright), red oxidation, blue oxidation, hard natural color oxidation, electroless nickel (precipitated/chemical), sandblasting, sandblasting + oxidation, wire drawing, etc.
Polyurethane, rubber, silicone, etc.
Quenching, vacuum quenching, normalizing, annealing, high frequency quenching, etc.