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Address
5th Floor, Zhonghuan Building, Weiyang Road, Xi’an, China

Phone
+86 182-9203-1134

DiAo water treatment equipment company LogoDiAo water treatment equipment company Logo
  • Home
  • About Di Ao
    • About Di Ao
    • Environment
    • Certifications
    • Project Cases
    • Manufacturing
  • Applications
    • Purified Water
    • Desalination
    • Wastewater Treatment
    • Water Softening
    • Water Supply
  • Products
  • Custom Solutions
  • Blog
  • Contact
DiAo water treatment equipment company LogoDiAo water treatment equipment company Logo
Home Certifications

Certifications

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

Certificate of Project Contracting Qualification

Certificate for Environmental Engineering Design Capability

Certificate of Production License

About us

  • About Organization
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Achievements

We take pride in our milestones, certifications, and successful projects that demonstrate our expertise and reliability.

Quick Links

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Useful Information

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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Shipping Information

Worldwide shipping from China with secure packaging and tracking.

Contact Info

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

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