GH1131、GH1140碳工具鋼 SGLC490 SGLC570 SGLCC SGLCD SGLCDD SG255 SG295 SG325 SG365 SG26 SG30 SG33 SG37 STC370 STC440 STC510A STC510B STC540 STC590A STC590B STK290 STK400 STK490 STK500 STK540 STK30 STK41 STK50 STK51 STK55 SCM415TK SCM418TK SCM420TK SCM430TK SCM435TK SCM440TK SCr420TK SNB5 SNB7 SNB16 我們的宗旨:保質量,重信譽,可隨時預定各種鋼材。交貨及時,價格優惠,并可提供鋼材批量切割零售業務。