---
title: "300243.SZ (300243.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300243.SZ/news.md"
symbol: "300243.SZ"
name: "300243.SZ"
parent: "https://longbridge.com/en/quote/300243.SZ.md"
datetime: "2026-05-21T10:07:42.469Z"
locales:
  - [en](https://longbridge.com/en/quote/300243.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300243.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300243.SZ/news.md)
---

# 300243.SZ (300243.SZ) — Related News

### [](https://longbridge.com/en/news/285864077.md)
*2026-05-11T01:29:45.000Z*
> The CSI Convertible Bond Index opened up 0.05%. JinYang Convertible Bond and N Sida Convertible Bond posted the highest 

### [RUIFENG CHEM: Obtained IATF16949 Quality Management System Certification](https://longbridge.com/en/news/285370397.md)
*2026-05-06T11:48:00.000Z*
> RUIFENG CHEM recently obtained IATF16949:2016 quality management system certification, certification number 0602934, cov

### [](https://longbridge.com/en/news/284713200.md)
*2026-04-30T07:05:44.000Z*
> The China Securities Convertible Bond Index closed down 0.08%, with SFX Convertible Bond, Fuchun Convertible Bond, INFOR

### [](https://longbridge.com/en/news/284304368.md)
*2026-04-28T03:22:27.000Z*
> Chemical stocks fluctuated upward, with DCHL surging to hit the daily limit. Chitianhua had previously hit the limit up,

### [PCB concept stocks are experiencing a volatile recovery, with GDM, TGCF, and other stocks reaching new highs](https://longbridge.com/en/news/284297725.md)
*2026-04-28T02:30:36.000Z*
> PCB concept stocks are experiencing a rebound, with JMT, GDM, and TGCF hitting new highs during trading. RUIFENG CHEM ro

### [](https://longbridge.com/en/news/284292324.md)
*2026-04-28T01:39:22.000Z*
> Chemical stocks fluctuated and rebounded, with PPM(SuZhou) hitting the daily limit of a 20% increase, INTCO RECYCLING ri

### [](https://longbridge.com/en/news/284137073.md)
*2026-04-27T01:34:09.000Z*
> The A-share solid-state battery sector saw a short-term surge, with TAITAN and WCE hitting the daily limit, while Hongyu

### [Intraday News - Ruin (6532) surged 3.09% to NT$99.0, with a trading volume of 2,559 shares](https://longbridge.com/en/news/283925307.md)
*2026-04-24T02:50:48.000Z*
> Ruiyun (6532-TW) stock price rose 3.09% at 10:50 on the 24th, reporting NT$ 99.0, with a trading volume of 2,559 shares,

### [](https://longbridge.com/en/news/283085381.md)
*2026-04-17T03:28:43.000Z*
> The PCB concept performed actively, with DELTON hitting the daily limit, RUIFENG CHEM rising over 8%, and Zhongying Tech

### [Huifeng Diamond: Starting from May 1st, the company will implement a structural price increase of 8% to 12% on its industrial diamond series products](https://longbridge.com/en/news/282784471.md)
*2026-04-15T04:55:15.000Z*
> On April 15th, in response to the continuously rising prices of upstream core raw materials, Huifeng Diamond issued a "P