Di Ao Group

Industrial Water Treatment Equipment Manufacturer

Designing and manufacturing RO, ultrafiltration (UF), seawater desalination and wastewater treatment systems for industrial applications.

We Provide Industrial Water Treatment Equipments

Reliable Water Treatment Equipments & Systems

Purified Water Systems

For industrial, pharmaceutical, hotel, and commercial applications.

Seawater Desalination Systems

  • SWRO (Seawater Reverse Osmosis) Systems
  • Containerized Desalination Units
  • Marine & Offshore Desalination Systems
  • Island & Remote Area Water Supply Solutions
  • High-efficiency Energy Recovery Technology

Wastewater & Sewage Treatment System

  • Industrial Wastewater Treatment Systems
  • Sewage Treatment Plants (STP)
  • MBR Wastewater Treatment Systems
  • Wastewater Recycling & Reuse Systems
  • Sludge Dewatering Systems

Softening Water Systems

  • Industrial Water Softening Systems
  • Boiler Feed Water Softening Systems
  • Automatic Water Softener Systems
  • Multi-Tank Water Softening Systems
  • High-Capacity Hardness Removal Systems

Water Supply Systems

  • Constant Pressure Water Supply Systems
  • Industrial Process Water Supply Systems
  • Municipal Water Supply Systems
  • Building Booster Pump Systems
  • Smart Control Water Supply Systems

Custom Water Treatment Solutions

  • Turnkey Water Treatment Solutions
  • Customized Process & System Design
  • Modular & Skid-Mounted Treatment Systems
  • EPC Project Management
  • Technical Support & After-Sales Service

Custom Industrial Water Treatment Solutions

We provide fully customized water treatment systems tailored to your water quality, application, capacity, and budget. Get Custom Solution Now

  • System Design
  • Outstanding Support
  • Modular & Containerized Solutions
  • Treatment Capacity
  • Material & Structural Options
  • Technical Documentation

Partial Cases Across Energy, Chemical, Manufacturing, Food & Municipal Industries. Learn More

EnergyChemical IndustryManufacturingFood and PharmaceuticalMunicipal
Coal Mine Pure Water and Water Supply ProjectChemical Direct Drinking Water and Water Supply ProjectAutomobile Pure Water and Water Supply ProjectBrewing Pure Water ProjectGovernment Office Pure Water and Water Supply Project
Thermal Power Softened Water ProjectPure Water and Water Supply ProjectAutomobile Softened Water ProjectBrewing High-purity Water ProjectMunicipal Water Supply Project
Nuclear Power Pure Water and Water Supply ProjectPetroleum and Petrochemical Silicone Water Supply ProjectSteel Mill Softened Water ProjectDairy Pure Water ProjectHigh-speed Railway Station Water Supply Project
Thermal Power Electronic Grade Water ProjectLarge-scale Chemical Pure Water ProjectPrinting and Dyeing Pure Water ProjectBeverage Industry Pure Water ProjectUniversity Direct Drinking Water Project
Natural Gas Dehumidification Water Supply ProjectMedium-sized Chemical Pure Water ProjectMedical Equipment Softened Water ProjectBiopharmaceutical Pure Water ProjectHospital Direct Drinking Water Project
Oilfield Oil Extraction Softened Water and Water Supply ProjectSilicone Material Softened Water ProjectRubber Products Softened Water ProjectWater Plant Pure Water ProjectMiddle School Direct Drinking Water Project
Wind Power Circulating Water Softening Treatment ProjectSmall-scale Chemical Pure Water ProjectCable Manufacturing Softened Water and Water Supply ProjectBiotechnology Pure Water ProjectHotel Pure Water and Water Supply Project

Our Global Certifications

16 years of industry experience, 20+ water treatment patents, 40+ engineering certifications, and 7,900+ successful project cases worldwide.

About Di Ao Group

16 Years of Industrial Water Treatment Expertise

DiAo Company Introduction Video

What Our Customers Say

Trusted feedback from global partners and long-term clients.

Procurement Manager

Food Processing Plant

“We chose them because they understand industrial standards. Stable performance, low operating cost.”

Engineering Director

Pharmaceutical Factory

“Their RO and softening systems run smoothly and have significantly improved our production efficiency. Reliable team, fast response.”

Operations Manager

Beverage Manufacturer

“The customized 50 m³/h system solved our high-TDS water issue perfectly. Stable performance, low operating cost.”

Get Complete Water Treatment Solutions Now!

Share your water quality and capacity needs, and our engineers will respond quickly with tailored solutions.

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