主营：Q345R; Q245R(HIC; Q345R(HIC+; SA516Gr70(; 15CrMoR; 09MnNiDR; SA387Gr11/; SA516Gr485; 14Cr1MoR; 12Cr1MoVR; 16Mo3; P355; 12Cr2Mo1R; 13MnNiMoR; A633;