Privacy Policy

1. About DiAo Group

DiAo Group specializes in water treatment solutions, including RO systems, ultrafiltration, softening, wastewater treatment, desalination, and turnkey engineering.

This Privacy Policy explains how we collect, use, store, and protect your information when you visit our website or contact us.

2. Information We Collect

2.1 Information You Provide

Collected via contact forms, RFQ forms, email, or account registration:

  • Name
  • Email
  • Phone
  • Company name
  • Country
  • Project requirements / water quality data
  • Uploaded technical drawings or images

2.2 Automatically Collected Data

  • IP address
  • Browser & device type
  • Pages visited
  • Time spent on the site
  • Referrer information

2.3 Uploaded Media

Avoid uploading photos containing GPS/EXIF data.

3. Cookies & Tracking

We use cookies to improve site performance and user experience, including:

  • Form autofill convenience
  • Login session management
  • Google Analytics
  • Spam protection (security tools)

You may disable cookies at any time in your browser settings.

4. Embedded Content

Our pages may include embedded elements such as:

  • YouTube videos
  • Google Maps
  • External images or articles

These external websites may collect data according to their own policies.

5. How We Use Your Data

We use your information for the following purposes:

Communication

  • Responding to inquiries
  • Providing quotations
  • Offering technical solutions

Engineering & Operations

  • Project evaluation
  • System design support
  • Logistics communication
  • After-sales support

Site Improvements

  • Performance monitoring
  • Security enhancement
  • SEO and analytics

We do not sell your personal data.

6. Legal Basis (GDPR Users)

We process data under:

  • Consent (when you submit a form)
  • Contract (quotation or project cooperation)
  • Legitimate interests (security, analytics)
  • Legal compliance

7. Data Sharing

We only share data with trusted partners when necessary:

  • Hosting and email providers
  • Logistics companies (shipping only)
  • Engineering consultants (upon your request)
  • Security & spam detection services
  • Analytics platforms

Personal information will never be sold.

8. Data Retention

  • Comments: retained indefinitely
  • Inquiries / RFQs: kept as needed for project support
  • User accounts: retained until deleted by the user
  • Technical files: kept only for engineering and service purposes

9. Your Rights

GDPR (EU Users)

You may request:

  • Access to your data
  • Correction
  • Deletion
  • Data portability
  • Withdrawal of consent

CCPA (California Users)

You may:

  • Request disclosure of collected data
  • Request deletion
  • Opt-out of data selling (we do not sell data)

10. Where We Send Your Data

Form submissions and comments may be checked using:

  • Automated spam detection
  • Security firewalls
  • Email verification tools

11. Data Security

We use:

  • SSL encrypted connection
  • Secure hosting environment
  • Firewalls and malware protection
  • Limited internal access permissions

Despite best efforts, no method is 100% secure.

12. Contact Us

For any privacy-related requests:

DiAo Group
Website: https://www.diaowatertreatment.com/
Email: info@diao.com