全国咨询热线
牌号化学成分CMnSiPSVNbTiQ295A≦ 0.160.80~1.50≦0.55≦0.040≦0.0400.02~0.150.015~0.0600.02~0.20Q295B≦ 0.160.80~1.50≦0.55≦0.045≦0.0450.02~0.150.015~0.0600.02~0.20
2019
传真:0371-67121877
技术支持:大熊猫免费建站