Wuhu Bethel Automotive Safety Systems and Zhejiang Jianzhuang establish Zhejiang Bojian Transmission Technology for humanoid-robot screw products

Sep 25, 2025 · Company Formation · Zhejiang Jianzhuang Transmission Technology

Verified eventZhejiang Jianzhuang Transmission TechnologySep 25, 2025

Evidence notes

  • Multiple market summaries report that Bethel and Zhejiang Jianzhuang completed the establishment of Zhejiang Bojian Transmission Technology as a Bethel-controlled joint venture.
  • The venture was described as focusing on ball screws, miniature screws, and planetary roller screws for humanoid-robot joints.
  • This is the clearest surfaced event linking Jianzhuang to humanoid-robot precision transmission commercialization and directly supports the existing Bethel relationship hint.

Company context

Transmission technology company; disclosed co-development and process validation counterparty for Bethel humanoid screw products per 2025 Q3 materials.

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