爱司凯：目前的3D打印设备以砂型打印系列为主，可为相关行业提供砂芯、砂型及金属铸件成品的生产供应

Core Viewpoint - The company, Aisikai, focuses on the research, development, production, sales, and service solutions of industrial printing products, particularly in the 3D printing sector [2]. Group 1 - The company specializes in 3D printing equipment, primarily in the sand casting series, which provides production supplies for sand cores, sand molds, and metal castings [2]. - The company has been questioned by investors regarding the alignment of its products with the "14th Five-Year Plan" and their application in commercial aerospace [2].