Combining underwater robots and sonar leakage detection technology to check the condition of the network, nitrogen ice cleaning and sludge removal technology to ensure the smoothness of the underground pipelines, and non-excavated in-situ spot pipeline rehabilitation technology to quickly repair pipeline problems.

After drying urban sewage plants and other organic matter-rich sludge, dewatering and thermal drying, energy resource utilization, to achieve the purpose of waste to waste, energy recovery, and realize the green circular economy.

Organic combination of gas catalytic denitrification and biological deodorization processes to denitrify and deodorize polluted gases.

Leachate is a complex and highly concentrated organic wastewater, which is treated by degradation, magnetic separation, MBR, advanced oxidation, biofilter and other processes to achieve discharge standards.

Rainwater hydraulic grating, using the principle of hydraulic vortex to intercept the first rainfall, reduce the floating garbage, suspended solids, oil and other substances in the rainwater to pollute the downstream.

Improvement or restoration of polluted water bodies through a combination of aquatic organisms and microorganisms, combined with processes such as high-density sedimentation tanks and multi-effect bio-sedimentation.