The width of the thin plate is 500~1500 millimeters; The width of the thickness is 600~3000 millimeters. Thin plates are classified by steel type, including ordinary steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel, and industrial pure iron thin plates; According to their purposes, there are oil barrel boards, enamel boards, bulletproof boards, etc; According to the surface coating, there are galvanized sheet, tin plated sheet, lead plated sheet, plastic composite steel plate, etc.