| Raw materials | Hot rolled coil |
| Molten galvanized coil |
| Equipment, parts, and services | Equipment and machinery |
| Construction and repair work |
| Inspection equipment and measuring instruments |
| Various parts | Bolts, nuts, bearings, etc. |
| Tools |
| Supplemental materials | Non-ferrous and fuel related | Bunker C (heavy fuel oil) |
| Tin ingots |
| Zinc anodes/grains |
| Nickel pellets |
| Oils | Palm oil |
| Gasoline and kerosene |
| Rolling oil |
| Lubricating oil |
| Corrosion-preventing oil |
| Machining oil |
| Resin, film, etc. | PET film |
| PET resin |
| PBT resin |
| Vinyl chloride film |
| Master batch |
| Protective film |
| Paint |
| Thinner |
| Other resins |
| Mill roll |
| Interleaving kraft (steel mill kraft) |
| Industrial chemicals, etc. | Sulfuric acid |
| Chromic anhydride |
| Sodium bichromate |
| Nickel sulfate |
| Nickel chloride |
| Zinc sulfate |
| Zinc oxide |
| Other chemicals for plating | (for electro tin plating) |
| (for electro chrome plating) |
| (for electro nickel plating) |
| (for electroless nickel plating) |
| (for electro zinc plating) |
| Sodium hypophosphite |
| Caustic soda |
| Orthosilicate soda |
| Degreasing agent for rolling coil or additive agent (surface acting agent) |
| Brightening agent | (for nickel plating) |
| (for zinc plating) |
| Flocculating agent (for processed wastewater) |
| Other |
| Packing materials | Packaging paper |
| Carton paperboard |
| Polyethylene film |
| Aluminum cloth sheet |