恒而达：公司的行星滚柱丝杠及高精度螺纹磨床的产业化工作正按计划稳步推进

Group 1 - The company is progressing steadily with the industrialization of planetary roller screws and high-precision thread grinding machines, with initial mass production expected to be achieved in the first quarter [2] - Currently, the company is conducting thorough verification tests on trial samples as part of the production preparation process [2]