# Sansun Semiconductor to build 2-billion-yuan optical chip base in Taicang

Sansun Semiconductor Co., Ltd. will establish a compound semiconductor optical chip manufacturing base in Chengxiang Town, Taicang City, with a total investment of 2 billion yuan. Phase I, with an investment of 1 billion yuan, is expected to break ground in August 2026 and commence operation in 2028, with an annual output value of over 1 billion yuan at full capacity.

- Type: New facility
- Announced: 2026-04-08
- Where: Chengxiang Town, Taicang City, China
- Value: $276.0M (2.00B CNY)
- Starts operating: 2028
- Status: announced
- Products: InP laser chips, photodetector chips, GaAs laser chips
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Sansun Semiconductor](https://endata.com/companies/91340.md)

## Sources

- [english.suzhou.gov.cn](http://english.suzhou.gov.cn/szsenglish/News/202604/452dbdc614974da9a0797457fd2f19e9.shtml), 2026-04-10: "The enterprise plans to invest 2 billion yuan in this project which will help build an integrated industrial chain covering epitaxial growth, optical chip manufacturing and optoelectronic integration."

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