有研硅：刻蚀设备用零部件产品已进入存储类客户供应链，长江存储处于认证阶段

Core Viewpoint - The company has established a multi-dimensional layout in the storage sector, indicating a strategic expansion into this market [1] Group 1: Company Developments - The company's etching equipment components have entered the supply chain of storage clients, with Yangtze Memory Technologies currently in the certification phase [1] - The company supplies components to TSMC through its controlling shareholder's subsidiary, thereby indirectly entering the storage field [1] - The company's affiliate, Shandong Youyan Aisi, has successfully supplied 12-inch silicon wafers to Yangtze Memory Technologies [1]