--- 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: "2026-05-20T16:27:57.717Z" 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