中洲特材：公司产品涵盖高温合金3D打印粉末，目前占营收比例较小

Group 1 - The company has indicated that it produces high-temperature alloy 3D printing powder, which is currently a small portion of its revenue [1] - The inquiry about the company's production of 3D printing materials was made by an investor on an interactive platform [1] - The company's response highlights its involvement in the 3D printing materials sector, albeit with limited revenue contribution at this stage [1]