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Costco's CEO will step down in January and hand the reins to the retailer's current president_我的网站

一 |     ISSAQUAH, Wash. -- Costco announced Wednesday that CEO W. Craig Jelinek will step down in January. He’ll be succeeded by the company’s president, Ron Vachris, who has been with Costco for more than 40 years.Jelinek has been CEO of the members-only warehouse chain since 2012, when he took over from Costco co-founder James Sinegal. Vachris started with Costco as a forklift driver and worked his way into management. The company based in Issaquah, Washington, said he has served in every major role related to Costco business operations and merchandising. Jelinek will remain with the company through April in an advisory role and will continue as a member of Costco’s board.。    　　央视新闻客户端消息(新闻联播)：我国钢铁产量连续多年位居世界首位。今年以来，钢铁企业依托全国重点实验室，聚焦高端特种钢材持续发力，不断实现核心技术突破，一大批高端钢材实现了自主量产。　　钢材如何做到强度过硬，还能抵御海水腐蚀？在河北唐山的钢铁实验室，记者找到了答案。

二 | 钢材加工过程中会产生易导致材料脆化的碳化物，科研人员通过调控钢材原子结构，将碳化物有效包裹。　　研究人员给记者算了一笔账，一台海上风电机要用钢数百吨，换上这种高性能钢，钢板可以做得更薄，合金用量也大幅减少。　　如今，不只在海上，我国已经搭建起覆盖深海装备、舰船制造、航空航天等多场景的高端钢材自主研发量产体系，从材料配方、轧制工艺到批量生产实现全链条自主可控。　　眼前这款是我国自主研发的“蝉翼钢”，厚度仅有0.07毫米，具备高强度、高延展性，达到全球精制钢顶级水平。

三 | 　　目前，这款钢材已广泛应用在集成电路基板、5G基站信号接收器等多个领域。而在航空航天领域，新研发的低膨胀特种钢材已经投入大飞机复合材料成型模具生产，数据显示，今年以来，已有7种高端钢材实现全新突破，面向新能源汽车、人形机器人、储能装备等新兴赛道，多款专用电工钢、高强结构钢实现批量下线，为新兴装备核心部件提供材料保障。

四 | 　　目前，我国已有3家钢铁企业入选全球“灯塔工厂”，累计培育36家卓越级钢铁智能工厂、2家领航级智能工厂。

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