直供进口精圆钢材（合金结构钢棒材）：4115 4120 4130 4135 4140 4340 5140 8620 SCM415 SCM420 SCM430 SCM435 SCM440 SCM439 SNCM220 SNCM415 SNCM420 SNCM440 SNCM439等钢材精圆（直径2-300mm,长度0-5000mm,外径公差正负0.01mm）及订做各种钢材（毛圆/光圆/精圆/薄板/带钢/板材 /管材/钢带）薄板钢材:K460 DF-2 2510 SKS3等进口油钢(鉻钨钢)薄板(厚度0.1-6mm)
