3D打印概念震荡拉升 海正生材、长江材料双双涨停

Group 1 - The 3D printing sector experienced significant gains in early trading, with companies like Haizheng Biomedical Materials and Changjiang Materials hitting the daily limit, and Jin Chengzi rising over 15% [1] - According to the National Bureau of Statistics, the production of 3D printing equipment in China is expected to grow by 43.1% year-on-year in the first half of 2025 [1] - The price of consumer-grade 3D printers has decreased by 60% compared to three years ago, with mainstream brands focusing on producing products in the price range of 2000-3000 yuan [1]