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日前,山钢集团莱钢特殊钢厂成功试制高品质齿轮钢SCM440H,产品经检验完全达到了用户要求,标志着莱钢齿轮钢研发又登上了新台阶。
Recently, the steel group Laiwu Steel Special Steel successfully trial production of high-quality gear steel SCM440H, the product has been fully tested to meet user requirements, marking Laiwu Steel Gear R & D and boarded a new level.