长江材料：公司生产的3D打印砂应用于3D打印砂型铸造

Core Viewpoint - Changjiang Materials has indicated that its 3D printing sand is utilized in 3D printed sand mold casting, with clients in the aerospace and military industries [1] Group 1 - The company produces 3D printing sand specifically for sand mold casting applications [1] - Clients purchasing the company's 3D printing sand include suppliers from the aerospace and military sectors [1]