# Sanan Optoelectronics and STMicroelectronics to form $3.2B silicon carbide JV in Chongqing

Sanan Optoelectronics and STMicroelectronics signed an agreement to establish a joint venture in Chongqing, China, to produce 8-inch silicon carbide wafers. The total investment is $3.2 billion, with production planned to start in Q4 2025 and full completion by 2028. Sanan will also build a separate $1 billion 8-inch silicon carbide substrate factory.

- Type: Acquisition
- Announced: 2023-06-07
- Where: Chongqing, China
- Value: $3.20B
- Status: announced
- Capacity: 10,000 8-inch silicon carbide wafers per week
- Products: 8-inch silicon carbide wafers, silicon carbide substrates
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [STMicroelectronics](https://endata.com/companies/21952.md) (partner)
- [Sanan Optoelectronics](https://endata.com/companies/23824.md) (partner)

## Sources

- [sanan-e.com](https://www.sanan-e.com/news-28), 2023-06-07: "本次合资工厂的建立，将为中国碳化硅市场注入新的力量"
- [sanan-semiconductor.com](https://www.sanan-semiconductor.com/en/news-38), 2023-06-07: "The establishment of this joint venture factory will inject new strength into the China silicon carbide market."

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