大为股份(002213.SZ)：主营业务为“半导体存储+智能终端”和“新能源+汽车”两大业务

Core Viewpoint - The company focuses on two main business segments: "semiconductor storage + smart terminals" and "new energy + automotive" [1] Group 1: Business Overview - The company's wholly-owned subsidiary, Shenzhen Dawi Chuangxin Microelectronics Technology Co., Ltd. (referred to as "Dawi Chuangxin"), primarily produces NAND and DRAM storage products [1] - These products have wide applications in personal computers, automotive, IDC, industrial control, medical, rail transportation, and smart electronics [1]