---
title: "PRET: Hai Sida Sodium Star signs a contract for a 30MWh sodium-ion (polyionic system) battery energy storage system"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/247610841.md"
description: "According to the Zhitong Finance APP, PRET announced that its holding subsidiary Guangdong Hai Si Da Sodium Star Technology Co., Ltd. (referred to as \"Hai Si Da Sodium Star\") recently signed a procurement contract for a 30MWh sodium-ion (polyionic system) battery energy storage system with China Southern Power Grid Technology Co., Ltd. (referred to as \"CSG Technology\")"
datetime: "2025-07-08T09:55:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/247610841.md)
  - [en](https://longbridge.com/en/news/247610841.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/247610841.md)
---

# PRET: Hai Sida Sodium Star signs a contract for a 30MWh sodium-ion (polyionic system) battery energy storage system

According to the Zhitong Finance APP, PRET (002324.SZ) announced that its controlling subsidiary, Guangdong HaiSiDa Sodium Star Technology Co., Ltd. (referred to as "HaiSiDa Sodium Star"), recently signed a procurement contract for a 30MWh sodium-ion (polyionic system) battery energy storage system with China Southern Power Grid Technology Co., Ltd. (referred to as "CSG Technology")

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