三天两板南风股份：南方增材3D打印服务业务尚处起步阶段

Group 1 - The core point of the article is that Nanfeng Co., Ltd. announced an unusual movement regarding its subsidiary, Nanfang Additive, which plans to self-finance 50 million yuan for fixed asset investment in a 3D printing service project [1] - The investment in the 3D printing service business is still in its early stages and is not expected to have a significant impact on the company's revenue and profit for the current year [1] - There is a certain level of uncertainty regarding the future operational performance of the 3D printing service business [1]