Zero-carbon & Zero-waste city builder

TUS-EST is a state-owned environmental enterprise listed on the main board of Shenzhen (Stock Name: TUS-EST, Stock Code: 000826) and one of the first high-tech enterprises recognized by the State. Positioned as a high-tech enterprise specializing in comprehensive environmental governance, TUS-EST, with the mission of “Zero-carbon & Zero-waste city builder” and in the triple helix development model of “Industry + Technology + Capital”, achieves high-efficiency transformation of the technological achievements of Tsinghua University and domestic and foreign advanced scientific research institutions through the synergy of the entire industrial chain, opening up the boundaries of energy and environmental protection through technological integration and innovation, thereby allowing more technologies into the market to serve the ecological environment.

Main business

The company integrates investment, consulting, design, construction, operation, system integration, equipment manufacturing, Internet platform and green finance, and has the scale layout of the whole environmental industry chain.


As of December 31, 2021, the company’s total assets and net assets were RMB 32.781 billion and RMB 8.591 billion respectively, with nearly 300 subsidiaries under its sole control or joint control.

  • 0 Enterprises under control
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TUS-EST’s main business covers the entire solid waste collection and disposal chain and the entire comprehensive water control domain, providing professional environment improvement solutions. TUS-EST is active in such core business segments as digital sanitation, water ecology, zero-carbon energy, solid waste and renewable resources, organic solid waste, sanitation vehicles and environmental protection equipment platforms, involving R&D of technologies related to energy and environmental protection, equipment manufacturing, engineering design, market development, transformation of technological achievements, project investment, financing, construction and operation as a full coverage of the project’s life cycle.

With the business philosophy of achieving comprehensive and high-quality development of the entire industry chain by means of technologies, TUS-EST practices the development path of industrial application of technologies and integration of industry and finance in advantage of its own technology and industry and the regional scale of completed projects. With the coordinated development of various business segments, including heat and power cogeneration through solid waste disposal, garbage classification for environmental sanitation, in-depth integration of environmental protection equipment manufacturing with unmanned economy, recycling of renewable resources, water ecology for leachate disposal while maintaining urban water supply and drainage business, TUS-EST broadens the market coverage and enhances its core competitiveness in the entire industry chain.

With 30 years of development in the environmental protection industry, TUS-EST has established the Environmental Research Institute, the Zero Carbon Technology Center, the Solid Waste and Renewable Resources Technical Support and Research Center, the Thunip Environmental Technology Center, the Smart Sanitation Technology Center and the New Energy Vehicle Research Institute. It has completed the entire industrial chain layout, and achieved the coordinated development of technology and industry with the company’s scale advantages and through model innovation. The company makes technological innovations mainly through technological breakthroughs. For example, its own patent “Technology of Enhanced Nitrogen and Phosphorus Removal for Wastewater Treatment based on Anaerobic and Anoxic Fluidized Biological Carriers” has filled a gap in the research of normal temperature productive sewage treatment plants globally; its own patented technology product “High Pressure Extruder” has been successfully and stably applied to 18 kitchen waste disposal projects for many years. The company continues to improve its vitality through the combination of enterprises, universities and research institutes, and has developed and proposed new ideas for the treatment of kitchen waste (food waste) in conjunction with a number of universities; through the reconstruction of waste value and technology matrix matching, it achieves the purpose of common benefit for multiple points in the system and high-value utilization of kitchen waste (food waste) to improve the quality and efficiency of the existing industry. As of 2021 the company had more than 200 invention patents and more than 400 utility models, won more than 10 national or provincial technology awards and over 100 other technology awards, 7 national and provincial projects have been completed, and 4 national and local projects are being implemented. In advantage of TusHoldings’ triple helix system of “Technology, Industry and Capital”, it has realized the development path of industrial application of technologies and integration of industry and finance as a leader in the transformation of technological achievements in the environmental industry.