Privacy Policy

  1. Data Controller

    The data controller responsible for data processing on this website is:

    GUMA-TECH GmbH

    Brand: GUMA-RETECH

    Wehrstraße 2

    51645 Gummersbach

    Germany

    Phone: +49 (0) 22 61 – 91634 -60

    Email: info@guma-retech.de

    Managing Director: Haifei Mao

  2. Collection and Processing of Personal Data

    1. 2.1 Contact Form

      When using our contact form, we process the following personal data:

      • Name (mandatory)
      • Email Address (mandatory)
      • Phone number (optional)

      The data is processed exclusively for the purpose of handling your inquiry.

      Legal basis:

      • Art. 6(1)(b) GDPR (pre‑contractual measures)
      • Art. 6(1)(f) GDPR (legitimate interest in responding to inquiries)

    2. 2.2 CO₂ Emissions Calculator

      For the use of our CO₂ emissions calculator, only technical and process-related data is collected, such as:

      • Country
      • Industry
      • Product group
      • Weights and quantities
      • Energy source

      This data is not personal data and does not allow any conclusions to be drawn about an identifiable individual.

      No personal data is processed when using the CO₂ calculator.

    3. 2.3 Report Download

      If personal data (e.g. an email address) is collected in connection with downloading a report, this data is processed solely for the purpose of providing the requested document.

      Legal basis:

      Art. 6(1)(b) GDPR (provision of requested information)

  3. Cookies and Local Storage

    Our website uses only technically necessary storage technologies:

    • Session cookie (_reporting_tool_key)

      Used to store the selected language (German/English)

    • localStorage (phx:theme)

      Stores the selected display mode (light/dark)

    • localStorage (reporting_tool_form_data)

      Temporary storage of form inputs for up to 5 minutes to improve usability

    No analytics, tracking, or advertising cookies are used.

  4. Hosting and Server Log Files

    Our website is hosted on servers located within the European Union.

    The hosting provider processes personal data exclusively on our behalf and in accordance with a data processing agreement pursuant to Art. 28 GDPR.

    When accessing the website, technical access data (e.g. IP address, date and time of access) may be processed to ensure the secure operation of the website.

  5. Data Disclosure

    Personal data will not be disclosed to third parties unless:

    • disclosure is necessary for contract performance, or
    • we are legally obliged to do so.
  6. Data Retention

    Personal data is deleted as soon as the purpose of processing no longer applies and no statutory retention obligations exist.

  7. Data Security

    This website uses SSL/TLS encryption to protect transmitted data from unauthorized access.

  8. Your Rights

    You have the right at any time to:

    • Access your data (Art. 15 GDPR)
    • Rectification of inaccurate data (Art. 16 GDPR)
    • Erasure of your data (Art. 17 GDPR)
    • Restriction of processing (Art. 18 GDPR)
    • Data portability (Art. 20 GDPR)
    • Object to processing (Art. 21 GDPR)

    To exercise your rights, please contact: info@guma-retech.de

  9. Right to Lodge a Complaint

    You have the right to lodge a complaint with a data protection supervisory authority. The competent authority is:

    State Commissioner for Data Protection and Freedom of Information North Rhine‑Westphalia (LDI NRW)