--- title: "002140.SZ (002140.SZ) — 相关新闻" type: "Symbol" locale: "zh-CN" url: "https://longbridge.com/zh-CN/quote/002140.SZ/news.md" symbol: "002140.SZ" name: "002140.SZ" parent: "https://longbridge.com/zh-CN/quote/002140.SZ.md" datetime: "2026-03-14T07:24:12.986Z" locales: - [en](https://longbridge.com/en/quote/002140.SZ/news.md) - [zh-CN](https://longbridge.com/zh-CN/quote/002140.SZ/news.md) - [zh-HK](https://longbridge.com/zh-HK/quote/002140.SZ/news.md) --- > 支持的语言: [English](https://longbridge.com/en/quote/002140.SZ/news.md) | [繁體中文](https://longbridge.com/zh-HK/quote/002140.SZ/news.md) # 002140.SZ (002140.SZ) — 相关新闻 ### [Donghua Technology signs green ammonia project engineering contract with renewable energy](https://longbridge.com/zh-CN/news/278063607.md) *2026-03-06T09:10:13.000Z* > Donghua Technology signed an EPC general contracting contract for the first phase of the integrated project for the annu ### [In 2025, ECEC's net profit attributable to the parent company is 533 million yuan, a year-on-year increase of 29.89%](https://longbridge.com/zh-CN/news/277165947.md) *2026-02-27T08:41:04.000Z* > ECEC released its performance preliminary report for 2025, with total operating revenue of 10.025 billion yuan, a year-o ### [](https://longbridge.com/zh-CN/news/277126820.md) *2026-02-27T01:31:06.000Z* > The A-share titanium dioxide concept strengthened at the beginning of the trading session, with GPTY hitting the daily l ### [](https://longbridge.com/zh-CN/news/276965795.md) *2026-02-26T01:31:45.000Z* > The A-share titanium dioxide concept strengthened at the beginning of the trading session, with Zhenhua Chemical and Guo ### [Donghua Technology signed a strategic cooperation framework agreement with Qinghai Dongtaijinaer Lithium Resources Co., Ltd](https://longbridge.com/zh-CN/news/274811027.md) *2026-02-04T12:19:23.000Z* > ECEC signed a strategic cooperation framework agreement with Qinghai Dongtaijinaer Lithium Resources Co., Ltd. to establ