供应15ChM ， 18CD4 ，18HGT 特殊钢材G10100 G10120 G10130 G10150 G10160 G10170 G10180 G10190 G10210 G10220 G10230 G10250 G10260 G10290 G10300 G10350 G10370 G10380 G10390 G10400 G10420 G10430 G10440 G10450 G10460 G10490 G10500 G10530 G10550 G10590 G10600 G10640 G10650 G10690 G10700 G10740 G10750 G10780 G10800 G10840 G10860 G10900 G10950冷拉钢、耐腐蚀合金等材料。具有品种齐全． 质量稳定．价格优惠．送货及时等优点．
