恒而达：公司正与德国公司技术团队联合研发行星滚柱丝杠螺母的内螺纹高效磨削工艺

Group 1 - The company is actively promoting the industrialization of its first reverse planetary roller screw, which is expected to be trial-produced soon [2] - The primary downstream applications for the planetary roller screw include high-precision and high-load linear drive modules, particularly in humanoid robots, new energy vehicles, CNC equipment, and aerospace industries [2] - The company is collaborating with a German technical team to develop an efficient grinding process for the internal threads of the planetary roller screw nut, aiming to significantly enhance the processing efficiency [2]