# Yunnan Chihong Germanium

- Headquarters: China
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Sites

| Place | Latest | Largest value | Types |
| --- | --- | --- | --- |
| China | 2026-04-01 | — | expansion |

## Customers, suppliers and deals

- [Applied Optoelectronics](https://endata.com/companies/15398.md): customer, 1×, latest 2026-11-03
- [Yunnan Germanium](https://endata.com/companies/15604.md): investor, 1×, latest 2026-11-03
- [Yunnan Germanium](https://endata.com/companies/15604.md): partner, 1×, latest 2026-11-03

## Announcements (2)

- 2026-11-03: [Yunnan Germanium subsidiary signs $194M InP substrate supply deal with AOI](https://endata.com/announcements/113642-yunnan-germanium-subsidiary-signs-194m-inp-substrate-supply-deal-with-aoi) (Contract · China · $194.0M)
- 2026-04-01: [Yunnan Germanium invests CNY 189M to expand InP substrate production line](https://endata.com/announcements/113643-yunnan-germanium-invests-cny-189m-to-expand-inp-substrate-production-line) (Expansion · China)

---
Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.