详供应供:QSTE420TM,QSTE500TM,QSTE380TM,QSTE460TM,QSTE340TM汽车大梁钢 SAPH310,SAPH370,SAPH400,SAPH440汽车结构钢 B510L,B520JJ,B550L,B590L 汽车大梁钢 B330CL,B380CL,B420CL 汽车车轮钢 S20C,S35C,S45C/20#,35#,45#优碳钢 SPHE,DD13 深冲压用钢 Q34**,Q345B,ST52-3,SM490A,BS600MC,BS700MC,S275JR,A572GR55,J55,WELTEN590RE,Q460C,Q460D,X65,X60等低合金用钢 09CUP,B600GNQR,Q450NQR1,09CUPCRNI-A,SPA-H,Q550NQR1,B480GNQR耐候钢 65MN,50MN2V,30CRMO,20CRMO,50CRV4,30CRSIMOVA 联系人:闫经理 电话: 细描述,3000字以内