Lanzhou and Hengyang
Capacity
15,000tU/yr as UF6
Lanzhou and Hengyang is a conversion facility operated by China National Nuclear Corporation in China. It has a capacity of 15,000 tU/yr as UF6 as of 2022, about 24% of world conversion capacity.
China's conversion capacity, expanded rapidly to match its reactor build programme. Nominally the largest in the world alongside Orano, though output is directed almost entirely at the domestic fleet rather than the merchant market.
Facility
| Stage | Conversion |
|---|---|
| Operator | China National Nuclear Corporation |
| Country | China |
| Capacity | 15,000tU/yr as UF6 |
| Figure applies to | 2022 |
| Note on the figure | Combined nameplate across two sites. |
| Status | operating |
| Commissioned | not stated |
| Coordinates | 36.0611, 103.8343 |
Position in the chain
This facility is about 24% of world conversion capacity (62,000 tU/yr as UF6, 2022).
China National Nuclear Corporation also operates:
- CNNC enrichment plants (enrichment)
- Yibin (CJNF) (fabrication)
- Rössing (mining)
- Yining (mining)
Other conversion facilities
| Facility | Capacity | Status |
|---|---|---|
| Malvési and Philippe Coste (Tricastin) | 15,000tU/yr as UF6 | operating |
| Port Hope Conversion Facility | 12,500tU/yr as UF6 | operating |
| Siberian Chemical Combine, Seversk | 12,500tU/yr as UF6 | operating |
| Metropolis Works | 7,000tU/yr as UF6 | operating |
Sources
- World Nuclear Association, Conversion and Deconversion · retrieved 2026-09-06