# Green Harmonic x Tesla (Optimus Harmonic Drive Reducers): partnership

Canonical ID: `7003556a-a41d-4905-88d8-5c4ccb3e672a`

Green Harmonic (China) supplies harmonic drive reducers for Tesla Optimus humanoid robots. Tesla dual-sources harmonic drives from Japanese HDS and Chinese Green Harmonic for supply chain resilience. Chinese pricing 30-40% below Japanese alternatives. Part of the ~13-23% rotary actuator/harmonic drive BOM category.

- **Type:** manufacturing
- **Status:** active
- **Verification posture:** reported (press-release-only)

## Parties (2)

- [Tesla](https://registry.deploy.report/companies/tesla.md) customer
- Green Harmonic _(off-registry)_ manufacturer

## Timeline

- **Announced:** 2026-01-15

## Sources (1)

1. https://optimusk.blog/blog/tesla-optimus-suppliers/


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