Group 1: 3D Printing Technology Development - The development of smart manufacturing technology has made 3D printing an important force in cultivating new productive forces in China [1] - 3D printing technology is transitioning from an optional choice to a necessary option in high-end manufacturing fields such as aerospace [7] - The global 3D printing market is expected to reach $88.3 billion by 2030, while the Chinese 3D printing equipment market is projected to exceed 120 billion yuan by 2029, with a compound annual growth rate of approximately 19.5% from 2024 to 2029 [7] Group 2: Company Activities in 3D Printing - Companies like Protolabs predict significant growth in the 3D printing market, indicating a robust future for the industry [7] - A-share market has over 30 stocks related to 3D printing, with companies like Jinggong Technology focusing on robot-related 3D printing equipment [7] - Aitide has developed 3D printing zirconia ceramic technology and has received FDA and NMPA registration for its high solid content printing materials [7] Group 3: Market Performance and Trends - The average increase of 3D printing concept stocks is 17.18% year-to-date, with four stocks seeing cumulative gains over 50% [10] - Sixteen 3D printing concept stocks have seen a daily average trading volume increase of over 10% since May, with five stocks doubling their trading volume [11] - As of May 12, eight stocks have a rolling price-to-earnings ratio below 40, indicating potential investment opportunities [11]