---
title: "000421.SZ (000421.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/000421.SZ/news.md"
symbol: "000421.SZ"
name: "000421.SZ"
parent: "https://longbridge.com/en/quote/000421.SZ.md"
datetime: "2026-03-14T10:39:34.615Z"
locales:
  - [en](https://longbridge.com/en/quote/000421.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/000421.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/000421.SZ/news.md)
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/quote/000421.SZ/news.md) | [繁體中文](https://longbridge.com/zh-HK/quote/000421.SZ/news.md)


# 000421.SZ (000421.SZ) — Related News

### [Zhitong A-share lock-up release overview | March 4](https://longbridge.com/en/news/277701085.md)
*2026-03-04T01:02:03.000Z*
> On March 4th, a total of 2 listed companies had their restricted shares unlocked, with a total market value of approxima

### [](https://longbridge.com/en/news/277564360.md)
*2026-03-03T05:14:57.000Z*
> The natural gas sector's upward momentum has expanded, with stocks such as NANJING PUBLIC UTILITIES DEVELOPMENT, LTRQ, A

### [NANJING PUBLIC UTILITIES DEVELOPMENT: Signed a construction agreement with related party Nanjing Urban Investment Construction Engineering Co., Ltd. for a transaction amount of RMB 29.0561 million](https://longbridge.com/en/news/273068216.md)
*2026-01-20T10:25:03.000Z*
> Nanjing Public Utilities announced that in order to orderly promote the construction of the retired lithium battery comp

### [](https://longbridge.com/en/news/271158894.md)
*2025-12-31T01:40:35.000Z*
> The A-share gas sector has strengthened again, with MeNeng Energy hitting the daily limit, and GXED, Shuifa Gas, ENN-NG,

### [Nanjing Public Utilities Development: Directors Shang Haibin and Huang Jian resign](https://longbridge.com/en/news/271088626.md)
*2025-12-30T09:43:26.000Z*
> Nanjing Public Utilities Development announced that the company's directors Shang Haibin and Huang Jian have resigned. S

### [Nanjing Public Transportation Group increased its capital to 900 million yuan, an increase of 12.5%](https://longbridge.com/en/news/270696215.md)
*2025-12-24T06:52:23.000Z*
> Nanjing Public Transportation Co., Ltd. increased its registered capital from 800 million RMB to 900 million RMB, an inc

### [Nanjing Public Utilities Development: The agreement for the controlling shareholder and its concerted parties to transfer 7.61% of the company's shares has been approved](https://longbridge.com/en/news/269206123.md)
*2025-12-10T09:16:39.000Z*
> Nanjing Public Utilities announced that its controlling shareholder, Nanjing Public Utilities Holding Co., Ltd., and its