主营产品：厚壁无缝钢管,,,12crmo合金管,,,20G高压合金管,,,16mn化肥专用管,,,精密光亮管,,,Q235中厚薄板,,,大口径合金管,,,45#厚壁无缝钢管,,,大口径直缝焊管,,,紫铜无缝钢管