主营产品：三级螺纹HRB400,,四级螺纹HRB500,,五级螺纹HTRB600,,三级螺纹HRB400E,,四级螺纹HRB500E,,五级螺纹HTRB600E,,盘螺HRB400,,线材HPB300,,冷镦钢,,普线,