证券日报网讯爱司凯（300521）7月31日在互动平台回答投资者提问时表示，公司结合市场规模与商业 模式，采取销售、合作设立打印中心等多种方式销售3D砂型打印设备。 ...

Group 1 - The company has a 3D printing center that operates through various sales methods, including direct sales, partnerships, and establishing printing centers [2] - The company emphasizes the combination of market scale and business model in its operations [2] - The inquiry about the operational model of the 3D printing center was made by an investor on an interactive platform [2]