冷轧板卷1.0mm*1000*2000DC01本钢4340-冷轧板卷1.0mm*1250*2000DC01本钢4290-冷轧板卷1.5mm*1000*2000DC01本钢4290-冷轧板卷2.0mm*1000*2000DC01本钢4290-