Wanxiang Qianchao starts humanoid-robot component development across screws, bearings, and precision shafts

Evidence notes
- The company says it is developing planetary roller screw bearing products around humanoid robot linear actuators
- Joint precision shaft samples had been delivered by hand and entered small-batch delivery
- Humanoid-robot business was described as a future strategic direction
Company context
Wanxiang Qianchao's robotics relevance sits in humanoid-robot joint hardware and transmission components rather than complete robot systems. The company is developing and industrializing bearings, screws, precision shafts, reducers, and universal-joint products for humanoid robots.