| 1 | Large integrated flat-steel producer | East China coastal steel cluster | GB/T 708; GB/T 5213; ASTM A1008/A1008M; EN 10130 | 0.30–3.00 mm | 900–2,000 mm | Bright, dull, skin-passed, oiled | DC01–DC04; CQ, DQ, DDQ | Automotive panels, appliances, industrial enclosures |
| 2 | Automotive-grade cold rolling specialist | North China coastal steel cluster | GB/T 5213; ASTM A1008/A1008M; JIS G3141 | 0.40–2.50 mm | 900–1,880 mm | Matte, bright, temper-rolled, oiled | DC03–DC06; DQ, DDQ, EDDQ | Car body parts, structural stampings, door panels |
| 3 | High-volume appliance steel producer | Central China manufacturing region | GB/T 708; EN 10130; JIS G3141 | 0.35–2.00 mm | 800–1,850 mm | Bright, matte, anti-fingerprint compatible, oiled | SPCC; DC01–DC03; CQ, DQ | Refrigerators, washing machines, air-conditioner housings |
| 4 | Deep-drawing sheet manufacturer | Yangtze River Delta region | GB/T 5213; ASTM A1008/A1008M; EN 10130 | 0.40–2.30 mm | 900–1,900 mm | Matt, smooth, skin-passed, lightly oiled | DC04–DC06; DQ, DDQ, EDDQ | Fuel tanks, kitchen sinks, stamped automotive components |
| 5 | High-strength cold rolled steel producer | North China industrial belt | ASTM A1008/A1008M; EN 10268; GB/T 20564 | 0.60–2.50 mm | 900–1,850 mm | Matte, skin-passed, oiled | HSLA; bake-hardening and dual-phase grades | Automotive reinforcements, chassis parts, safety structures |
| 6 | Electrical and precision strip producer | South China manufacturing region | GB/T 708; ASTM A1008/A1008M; JIS G3141 | 0.20–1.50 mm | 600–1,600 mm | Bright, precision-smooth, temper-rolled | SPCC; SPCD; low-carbon drawing grades | Electrical cabinets, precision stampings, small appliances |
| 7 | Construction and fabrication sheet supplier | Southwest China steel region | GB/T 708; EN 10130; ASTM A1008/A1008M | 0.50–3.00 mm | 900–2,000 mm | Commercial bright, matte, oiled | DC01–DC03; CS Type A/B | Metal furniture, ducts, doors, light structural fabrication |
| 8 | Export-oriented cold rolled coil producer | Coastal Northeast China region | JIS G3141; ASTM A1008/A1008M; EN 10130 | 0.30–2.50 mm | 800–1,880 mm | Bright, dull, skin-passed, oiled or unoiled | SPCC, SPCD; DC01–DC04; CQ, DQ | General fabrication, appliances, automotive components |
| 9 | Custom processing and slitting specialist | Pearl River Delta region | GB/T 708; JIS G3141; ASTM A1008/A1008M | 0.25–2.00 mm | Custom slit widths from 20 mm | Bright, matte, temper-rolled, oiled | SPCC; DC01–DC03; commercial-quality grades | Roll forming, tubing, shelving, precision components |
| 10 | Value-focused commercial-quality producer | Northwest and inland China steel region | GB/T 708; GB/T 5213; ASTM A1008/A1008M | 0.40–3.00 mm | 900–1,800 mm | Commercial bright, dull, lightly oiled | SPCC; DC01–DC02; CQ, DQ | General engineering, storage systems, machinery covers |