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  • Home
  • About Di Ao
    • About Di Ao
    • Environment
    • Certifications
    • Project Cases
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    • Purified Water
    • Desalination
    • Wastewater Treatment
    • Water Softening
    • Water Supply
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DiAo water treatment equipment company LogoDiAo water treatment equipment company Logo
Home Blog Certificate of Production License

Certificate of Production License

Certificate of Production License
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Products

  • 500LPH RO System
    500 / 1000 LPH Industrial RO Water Purifier System
  • 3T/H Industrial RO Water Purifier System – Automated with Pump & PLC
    3T/H Industrial RO Water Purifier System – Automated with Pump & PLC
  • 5T/H High-Efficiency Two-Stage Industrial RO Water Treatment System
    5T/H High-Efficiency Two-Stage Industrial RO Water Treatment System
  • 6T/H High-Efficiency  Industrial RO Water Purifier System with PLC & Motor
    6T/H High-Efficiency Industrial RO Water Purifier System with PLC & Motor
  • 8T/H High-Efficiency Automatic RO Water Purification System with PLC Control
    8T/H High-Efficiency Automatic RO Water Purification System with PLC Control

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Clean water is not a cost — it is the foundation of every reliable industrial process.

Di Ao Group

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Business License

Corporate Business License

ISO 450012018 Occupational Health & Safety Certificate 

ISO 45001:2018 Occupational Health & Safety Certificate

ISO 9001 Quality Management System Certificate

ISO 9001 Quality Management System Certificate

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As the manufacturer, we offer design, fabrication, installation and O&M services for RO, UF and EDI industrial water treatment equipment.

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  • Address: 5th Floor, Zhonghuan Building, Weiyang Road, Xi’an, China
  • Phone: +86 29 8150 9988
  • Email: marketing@diaowatertreatment.com

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