Q235AQ235BSS400优质碳素钢35204550#50Mn65Mn0345(ABCD)460(CDE)Q550(CD)Q390(ABCD)Q690(ABC)
Q890(DE)Q960(DE)锅炉容器Q245R压力容器Q345R16MNDR09MNNIDR15CRMORSA516GR70建筑Q390GJC
桥梁用板Q370QC耐磨NM360NM400NM450NM500造船ABCD36EH32DH36模具SC45SC48SC50
电话~
15637591630