---
title: "301528.SZ (301528.SZ) — 相关新闻"
type: "Symbol"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/quote/301528.SZ/news.md"
symbol: "301528.SZ"
name: "301528.SZ"
parent: "https://longbridge.com/zh-CN/quote/301528.SZ.md"
datetime: "2026-03-17T13:41:18.189Z"
locales:
  - [en](https://longbridge.com/en/quote/301528.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/301528.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/301528.SZ/news.md)
---

> 支持的语言: [English](https://longbridge.com/en/quote/301528.SZ/news.md) | [繁體中文](https://longbridge.com/zh-HK/quote/301528.SZ/news.md)


# 301528.SZ (301528.SZ) — 相关新闻

### [Doppler shareholder Cai Shuping plans to reduce holdings by no more than 1% of shares](https://longbridge.com/zh-CN/news/265703887.md)
*2025-11-13T11:14:31.000Z*
> According to the Zhitong Finance APP, Doppler announced that shareholder Mr. Cai Shuping plans to reduce his holdings in

### [Doppler: The company's products can be used for ultrasonic non-destructive testing in fields such as energy, electricity, and nuclear power](https://longbridge.com/zh-CN/news/265045282.md)
*2025-11-10T00:41:00.000Z*
> Doppler stated on the interactive platform that the company's products can be used for ultrasonic non-destructive testin

### [Doppler released its performance for the first three quarters, with a net profit attributable to the parent company of 36.2468 million yuan, an increase of 31.32%](https://longbridge.com/zh-CN/news/263110721.md)
*2025-10-28T13:53:30.000Z*
> Doppler released its Q3 2025 report, with revenue for the first three quarters amounting to 129 million yuan, a year-on-

### [Doppler: Net profit of 19.0376 million yuan in the first half of 2025, a year-on-year increase of 12.15%](https://longbridge.com/zh-CN/news/254806612.md)
*2025-08-27T12:00:40.000Z*
> Doppler announced that in the first half of 2025, operating revenue was 79.9851 million yuan, a year-on-year increase of

### [Doppler: The company's products serve the field of new energy vehicles, including power batteries and other aspects](https://longbridge.com/zh-CN/news/244013087.md)
*2025-06-11T07:15:44.000Z*
> On June 11th, Doppler stated on the interactive platform that the company's products serve the field of new energy vehic

### [Doppler signed the construction contract for the Guangzhou Doppler Industrial Park project](https://longbridge.com/zh-CN/news/242170482.md)
*2025-05-28T09:56:02.000Z*
> Doppler signed a construction contract with Guangdong Rongtong Construction Engineering Co., Ltd., with a contract amoun

### [08:40 ET
			
			
				You're One Secret Away From a Breach: Doppler's New Security Tools Surface Vulnerabilities Fast](https://longbridge.com/zh-CN/news/241044036.md)
*2025-05-20T12:40:48.000Z*
> Doppler has launched new security tools aimed at addressing the issue of secrets mismanagement, which has become a criti

### [Doppler shareholder Cai Shuping plans to reduce holdings by no more than 2%](https://longbridge.com/zh-CN/news/239699266.md)
*2025-05-11T08:41:02.000Z*
> According to the Zhitong Finance APP, Doppler announced that shareholder Mr. Cai Shuping plans to reduce his holdings in

### [Doppler: Shareholders plan to reduce their holdings by no more than 4.85% of the company's shares](https://longbridge.com/zh-CN/news/237203503.md)
*2025-04-23T14:05:00.000Z*
> Doppler announced that its shareholder Xiamen Rongyu Jiahong Investment Partnership and its concerted party Suzhou Rongy

### [Doppler released its 2024 annual performance, with a net profit attributable to the parent company of 51.6034 million yuan, a decrease of 33.68%](https://longbridge.com/zh-CN/news/236603403.md)
*2025-04-18T14:50:06.000Z*
> Doppler released its 2024 annual report, with operating revenue of 162 million yuan, a year-on-year decrease of 18.70%;