---
title: "300620.SZ (300620.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300620.SZ/news.md"
symbol: "300620.SZ"
name: "300620.SZ"
parent: "https://longbridge.com/en/quote/300620.SZ.md"
datetime: "2026-05-21T05:03:11.532Z"
locales:
  - [en](https://longbridge.com/en/quote/300620.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300620.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300620.SZ/news.md)
---

# 300620.SZ (300620.SZ) — Related News

### [From AFR to TDG: In the wave of thin-film lithium niobate, who can become the next high-elasticity main line in the A-share market?](https://longbridge.com/en/news/287135395.md)
*2026-05-21T00:31:15.000Z*
> Thin-film lithium niobate is regarded as a key technology for the future of optical communication materials, expected to

### [](https://longbridge.com/en/news/286340480.md)
*2026-05-14T01:34:01.000Z*
> The A-share optical fiber concept is repeatedly active, TAYHO GROUP hits the daily limit, RoboTechnik rises over 9%, AFR

### [Meitu, China Literature, and NetEase Cloud have been removed from the index, MSCI embraces more certain AI assets](https://longbridge.com/en/news/286259358.md)
*2026-05-13T12:08:19.000Z*
> The MSCI China Index has been adjusted, removing MEITU, NETEASE MUSIC, and CHINA LIT, while including AFR, YOFC, and Cen

### [MSCI China Index changes horses, adding YOFC and 22 other stocks, removing MEITU and 24 other stocks](https://longbridge.com/en/news/286174166.md)
*2026-05-13T00:50:28.000Z*
> The international index provider MSCI announced the results of the quarterly index adjustments for May 2026, which will 

### [Optical fiber concept stocks are partially active, TDii hits the limit up](https://longbridge.com/en/news/285647304.md)
*2026-05-08T01:35:48.000Z*
> Optical fiber concept stocks are partially active, Hangzhou Cables hit a new high during the trading session, TDii reach

### [Financing clients take action to scoop up 15 quantum technology concept stocks](https://longbridge.com/en/news/285363482.md)
*2026-05-06T11:08:18.000Z*
> Currently, quantum technology has become a frontier in global technological competition. From the performance data, in t

### [CPO concept partially active, Mentech hits 2 consecutive limit-ups](https://longbridge.com/en/news/284292620.md)
*2026-04-28T01:41:54.000Z*
> The CPO concept is partially active, Mentech has two consecutive limit-ups, YUANJIE SEMICONDUCTOR has risen over 6% and 

### [AFR released its first-quarter performance, with a net profit attributable to the parent company of 44.7364 million yuan, a year-on-year increase of 312.52%](https://longbridge.com/en/news/283695535.md)
*2026-04-22T15:46:07.000Z*
> AFR released its first quarter report for 2026, with operating revenue of 426 million yuan, a year-on-year increase of 6