Investment Rating - The industry investment rating is "Overweight" [7] Core Insights - 3D printing in the commercial aerospace sector significantly aids in cost reduction and efficiency improvement, with traditional rocket engines requiring thousands of parts, while 3D printing can reduce parts by 80% and costs by 90%, compressing production cycles from 6 months to 1 month [2][4] - The domestic 3D printing equipment has achieved industrial-grade application capabilities, with SLM metal printing precision surpassing 0.01 mm, meeting the manufacturing requirements for precision components like rocket engines [3] - The performance improvements and product iterations have led to a breakthrough in domestic 3D printing equipment orders, with exports reaching 3.7777 million units valued at 8.9 billion yuan in 2024, and nearly matching this figure in the first three quarters of 2025 [3] - The application of 3D printing technology in micro-nano satellite components shows significant advantages in mass production, supporting satellite industry launch plans [3][4] Summary by Sections - **Industry Overview**: 3D printing technology is becoming increasingly integrated into the commercial aerospace sector, with notable advancements in reducing component count and weight [4] - **Market Performance**: The domestic 3D printing equipment market is experiencing robust growth, with key players like Huazhu Gaoke and Plitel entering aerospace and new energy vehicle supply chains at competitive prices [3][5] - **Future Outlook**: The report anticipates strong growth for leading domestic 3D printing equipment companies as the market for medium and large reusable rockets and low-orbit satellite constellations develops [4]