---
title: "Chitianhua's subsidiary Tongzi Chemical has completed maintenance on its production facilities and resumed production"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/259008672.md"
description: "According to the announcement from Chitianhua, its wholly-owned subsidiary Guizhou Chitianhua Tongzi Chemical Co., Ltd. (referred to as \"Tongzi Chemical\") will carry out planned shutdown maintenance on its production facilities starting from August 20, 2025, in accordance with the annual work plan. The expected maintenance duration is 35 days. On September 26, 2025, the company received a notification from Tongzi Chemical that the maintenance of its production facilities has been completed and production resumed on September 25, 2025. Production is currently normal"
datetime: "2025-09-26T08:10:05.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/259008672.md)
  - [en](https://longbridge.com/en/news/259008672.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/259008672.md)
---

# Chitianhua's subsidiary Tongzi Chemical has completed maintenance on its production facilities and resumed production

According to the announcement from Chitianhua (600227.SH), its wholly-owned subsidiary Guizhou Chitianhua Tongzi Chemical Co., Ltd. (referred to as "Tongzi Chemical") will carry out planned maintenance on its production facilities starting from August 20, 2025, in accordance with the annual work plan. The expected maintenance duration is 35 days. On September 26, 2025, the company received a notification from Tongzi Chemical that the maintenance of its production facilities has been completed and production resumed on September 25, 2025. Production is currently normal

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