Privacy Policy

Last updated: February 2026

1. Data Controller

Control de Contaminación C4 S.A.S. (hereinafter "C4"), registered in Colombia and headquartered in Yumbo, Valle del Cauca, Colombia, is responsible for the processing of personal data collected through this website and other communication channels.

2. Data We Collect

We may collect the following types of information:

• Identification data: first name, last name, position, company or organization.
• Contact data: email address, phone number, mailing address.
• Professional data: industry sector, project type, technical requirements.
• Browsing data: IP address, browser type, pages visited, time spent, cookies.

3. Purpose of Processing

Your personal data is used to:

• Respond to quotation requests and technical inquiries.
• Send information about C4 products, services, and updates (with your consent).
• Manage commercial and contractual relationships.
• Improve our services and user experience on the website.
• Comply with applicable legal and regulatory obligations.

4. Legal Basis for Processing

The processing of your data is based on: your explicit consent when completing forms; the execution of a contract or pre-contractual measures; compliance with legal obligations; and/or C4’s legitimate interest in maintaining the commercial relationship.

5. Data Sharing

C4 does not sell, rent, or trade your personal data. We may share information with:

• C4 authorized distributors in your country to handle your request.
• Technology service providers that support us (hosting, CRM, email marketing), under confidentiality agreements.
• Competent authorities when required by law.

6. Data Security

We implement technical and organizational measures to protect your data against unauthorized access, loss, alteration, or disclosure, including SSL/TLS encryption, access controls, and server security protocols.

7. Data Retention

We retain your personal data for as long as necessary to fulfill the purposes described, and thereafter for the periods required by applicable law. Browsing data is retained for a maximum of 24 months.

8. Your Rights

You have the right to:

• Access, update, and correct your personal data.
• Request proof of the consent granted.
• Revoke consent and/or request deletion of your data.
• Access your personal data free of charge.
• File complaints with the competent authority (Superintendence of Industry and Commerce in Colombia).

9. Cookies

This website uses cookies. For more information, please refer to our Cookies Policy.

10. Changes to This Policy

C4 reserves the right to modify this privacy policy. Changes will be published on this page with the corresponding update date.