# Sieyuan Electric wins $21.7M contract for 500kV DC circuit breakers in Zhangbei project

Sieyuan Electric won a bid from State Grid Corporation of China to supply 500kV mechanical high-voltage DC circuit breakers for the Zhangbei flexible DC grid demonstration project. The contract value is approximately 1.368 billion yuan (about $21.7 million).

- Type: Contract
- Announced: 2018-04-02
- Where: Zhangbei, China, China
- Value: $21.7M (136.8M CNY)
- Status: announced
- Products: 500kV mechanical high-voltage DC circuit breakers
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md), [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [Sieyuan Electric Co., Ltd.](https://endata.com/companies/30924.md)
- [State Grid Corporation of China](https://endata.com/companies/4270.md) (customer)

## Sources

- [sieyuan.com](https://www.sieyuan.com/company-news/63), 2018-04-02: "我司研发的500kV机械式高压直流断路器中标张北柔直工程，对公司柔性直流业务的发展将产生积极的促进作用。"

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