优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
优质碳素结构钢圆管坯，高压锅炉用无缝管坯，合金结构钢管坯等均达到国标中的各项要求。
High quality carbon structural round bloom, seamless tube bloom used in high pressure boiler, alloy structural steel tube blooms are all up to the general standard.
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