---
title: "300583.SZ (300583.SZ) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/300583.SZ/news.md"
symbol: "300583.SZ"
name: "300583.SZ"
parent: "https://longbridge.com/en/quote/300583.SZ.md"
datetime: "2026-05-20T16:46:39.295Z"
locales:
  - [en](https://longbridge.com/en/quote/300583.SZ/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/300583.SZ/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/300583.SZ/news.md)
---

# 300583.SZ (300583.SZ) — Related News

### [Sito Bio: The company currently has no antiviral drugs for the direct treatment of hantavirus](https://longbridge.com/en/news/286192377.md)
*2026-05-13T03:49:16.000Z*
> On May 13th, Sito Bio stated on the interactive platform that the company currently has no antiviral drugs for the direc

### [Sito Bio: Subsidiary receives European CEP certificate for chemical raw materials](https://longbridge.com/en/news/280438696.md)
*2026-03-25T08:39:54.000Z*
> Sito Bio's holding subsidiary, Shandong Sray Pharmaceutical Co., Ltd., recently obtained the Certificate of Suitability 

### [Sito Bio: The listing application for Betamethasone chemical raw materials has been approved](https://longbridge.com/en/news/279222400.md)
*2026-03-16T07:56:45.000Z*
> Sito Bio (300583) subsidiary Shandong Sray Pharmaceutical Co., Ltd. recently received approval from the National Medical

### [Sito Bio's subsidiary received the approval notice for the marketing application of dexamethasone chemical raw materials](https://longbridge.com/en/news/279003002.md)
*2026-03-13T07:52:05.000Z*
> Sito Bio's holding subsidiary Shandong Sray Pharmaceutical Co., Ltd. recently received the notice of approval for the ma

### [Sito Bio: Plans to repurchase company shares for 15 million to 30 million yuan](https://longbridge.com/en/news/278352835.md)
*2026-03-09T08:08:16.000Z*
> 36Kr learned that Sito Bio announced plans to repurchase company shares through centralized bidding, with a total repurc

### [Sito Bio plans to spend between 15 million and 30 million yuan to implement a share repurchase](https://longbridge.com/en/news/278061731.md)
*2026-03-06T09:01:03.000Z*
> Sito Bio plans to repurchase shares through a centralized bidding process, with a maximum repurchase price of RMB 21.98 

### [Sito Bio obtained the CEP certificate for Betamethasone active pharmaceutical ingredient](https://longbridge.com/en/news/275872735.md)
*2026-02-13T08:50:03.000Z*
> Sito Bio's holding subsidiary, Shandong Sray Pharmaceutical, recently obtained the CEP certificate for Betamethasone act