---
title: "300054.SZ (300054.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300054.SZ/news.md"
symbol: "300054.SZ"
name: "300054.SZ"
parent: "https://longbridge.com/en/quote/300054.SZ.md"
datetime: "2026-05-21T17:33:48.890Z"
locales:
  - [en](https://longbridge.com/en/quote/300054.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300054.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300054.SZ/news.md)
---

# 300054.SZ (300054.SZ) — Related News

### [DING LONG: CMP polishing hard pads monthly production capacity has been increased to 50,000 pieces](https://longbridge.com/en/news/286926708.md)
*2026-05-19T14:02:11.000Z*
> DING LONG announced that its CMP polishing pad monthly production capacity has been increased to 50,000 pieces, with cap

### [](https://longbridge.com/en/news/286695169.md)
*2026-05-18T01:30:17.000Z*
> The CSI Convertible Bond Index opened 0.06% lower. Monalisa Convertible Bond, Yanpai Filtration Convertible Bond, TOPSCO

### [DING LONG established a new materials company](https://longbridge.com/en/news/286362772.md)
*2026-05-14T05:36:18.000Z*
> DING LONG established Hubei Haofei New Materials Co., Ltd. with a registered capital of 20 million yuan, and the legal r

### [Founders of semiconductor materials supplier Hubei Dinglong become billionaires](https://longbridge.com/en/news/285883304.md)
*2026-05-11T05:07:19.000Z*
> China's Hubei Dinglong, a semiconductor materials supplier, has seen its shares rise nearly 116% over the past year, mak

### [](https://longbridge.com/en/news/285646439.md)
*2026-05-08T01:28:18.000Z*
> The CSI Convertible Bond Index opened 0.07% lower. Yingfeng Convertible Bond, Shanbo Convertible Bond, Dinglong Converti

### [](https://longbridge.com/en/news/285466057.md)
*2026-05-07T01:29:47.000Z*
> The CSI Convertible Bond Index opened with a 0.20% gain. Benchuan Convertible Bond posted the largest percentage gain, r

### [DING LONG: The company has made significant progress in three types of polishing liquid products and has received orders](https://longbridge.com/en/news/285366436.md)
*2026-05-06T11:25:03.000Z*
> DING LONG announced that its holding subsidiary Wuhan Dingze New Material Technology Co., Ltd. has made three significan

### [The quarterly report of the hundred billion private equity reveals the situation of portfolio adjustment and stock replacement](https://longbridge.com/en/news/284955035.md)
*2026-05-02T04:03:36.000Z*
> With the disclosure of the first quarter report of listed companies for 2026 completed, the adjustment and stock exchang

### [DING LONG released its first-quarter performance, with a net profit attributable to the parent company of 251 million yuan, an increase of 77.99%](https://longbridge.com/en/news/284274543.md)
*2026-04-27T22:01:42.000Z*
> DING LONG released its first-quarter performance for 2026, with operating revenue of 1.02 billion yuan, a year-on-year i