Group 1 - The core viewpoint of the article highlights that the company, Youyan Powder Materials, is experiencing stable supply and growth in its aerospace orders, particularly in 3D printing powder materials [2] - The company's 3D printing aluminum alloy products and copper alloy powders are identified as its competitive advantages [2]

Group 1 - The company has received orders primarily for 3D printing powder materials in the aerospace sector, which are currently being supplied steadily and are experiencing growth [2] - The company's competitive advantages lie in its 3D printed aluminum alloy products and copper alloy powders, which are highlighted as key products [2]