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TUS ENVIRONMENTAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co., LTD. — Investor Relations & Filings

Ticker · 000826 ISIN · CNE000000BX6 LEI · 300300D7TRP8H70GDO75 Shenzhen Stock Exchange Water supply; sewerage, waste management and remediation activities
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Filings indexed 3,006 across all filing types
Latest filing 2026-05-21 Regulatory Filings
Country CN China
Listing Shenzhen Stock Exchange 000826

About TUS ENVIRONMENTAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co., LTD.

https://www.tus-est.com

TUS ENVIRONMENTAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co., LTD. operates as an integrated service provider focused on the management and treatment of environmental resources. The company specializes in solid waste disposal, including waste-to-energy incineration, hazardous waste management, and the recycling of renewable resources. Its service portfolio extends to water treatment solutions, covering urban water supply and wastewater processing. Additionally, the firm engages in environmental sanitation services and the development of ecological industrial parks. By integrating technological innovation with infrastructure operation, the company facilitates the recovery of resources and the reduction of environmental impact through comprehensive waste management systems and renewable energy initiatives.

Recent filings

Filing Released Lang Actions
北京市中伦律师事务所关于启迪环境科技发展股份有限公司2025年年度股东会的法律意见书
Regulatory Filings Classification · 35% confidence The document is a legal opinion letter (“法律意见书”) issued by Zhong Lun law firm regarding the legality of convening and conducting the 2025 annual shareholders’ meeting and includes detailed vote procedures and results. It is not the company’s own financial report (10-K or interim report), not a presentation, not a proxy or solicitation, and not solely a voting-results announcement (DVA). It is also not a lawsuit or regulatory action report. Therefore it falls under the miscellaneous regulatory disclosures category: Regulatory Filings (RNS).
2026-05-21 Chinese
关于拟变更董事及解聘公司副总经理的公告
Board/Management Information Classification · 95% confidence The document is an official announcement by the company concerning changes to its board of directors (proposal to appoint and remove board members) and the dismissal of a deputy general manager. It details governance and personnel changes at the board and senior management level. This matches the “Board/Management Information” category.
2026-05-18 Chinese
第十一届董事会第十三次会议决议公告
Board/Management Information Classification · 90% confidence The document is an announcement of resolutions from the company’s Board of Directors meeting, including the dismissal of a deputy general manager, nomination of a non-independent director candidate, and the scheduling of a shareholders’ meeting. It specifically relates to changes in board and management positions, fitting the Board/Management Information category.
2026-05-18 Chinese
关于召开2026年第二次临时股东会的通知
Proxy Solicitation & Information Statement Classification · 88% confidence The document is a formal notice to shareholders regarding the convening of the company’s second extraordinary general meeting in 2026, providing meeting details, agenda items, voting methods, proxy form, and instructions for shareholders to vote or appoint proxies. It is not reporting results or attaching full financial statements, but is sent to inform and solicit votes. This fits the definition of a Proxy Solicitation & Information Statement (PSI).
2026-05-18 Chinese
关于股票交易异常波动的公告
Regulatory Filings Classification · 90% confidence The document is a company announcement regarding abnormal stock price fluctuations under Shenzhen Stock Exchange rules. It does not present financial statements, earnings data, management changes, capital actions, or a meeting notice/proxy. It is a compliance disclosure of market trading irregularities and risk warnings, fitting the general regulatory announcement category. No other specific category applies, so it falls under Regulatory Filings (RNS).
2026-05-14 Chinese
关于持股5%以上股东股份减持至5%以下暨权益变动的提示性公告
Major Shareholding Notification Classification · 90% confidence The document is an announcement regarding a significant shareholder (Guangzhou Qizheng) reducing its stake from above 5% to below 5%, detailing share numbers, dates, and regulatory compliance. This clearly falls under notifications of major shareholding changes (crossing ownership thresholds). Hence, it is classified as a Major Shareholding Notification (MRQ).
2026-05-13 Chinese

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