TUS ENVIRONMENTAL SCIENCE AND TECHNOLOGY DEVELOPMENT Co., Ltd.

TUS Environmental Science and Technology Development Co., Ltd. (000826.SZ) is a state-owned, technology-driven environmental enterprise listed on the Shenzhen Stock Exchange, founded in 1993 and headquartered in Yichang, Hubei Province, China. Operating under the mission of "Zero-carbon & Zero-waste city builder," the company provides comprehensive environmental improvement solutions across China, with core business segments spanning digital sanitation services, water-eco services, zero-carbon energy, organic solid waste treatment, and solid waste and renewable resources management. Leveraging Tsinghua Holdings' tri-helix development model of "Industry + Technology + Capital," TUS-EST integrates investment, engineering, equipment manufacturing, and digital platforms to cover the full environmental industry value chain. As of December 31, 2023, the company reported total assets of RMB 23.8 billion and net assets of RMB 8.4 billion, with nearly 300 subsidiaries under its control and approximately 42,617 full-time employees.