Effective Date: 13.03.2026

These Terms & Conditions (“Terms”) govern your access to and use of the website operated by Defnex Petrokimya Sanayi Ticaret Limited Şirketi (“DEFNEX”, “Company”, “we”, “our”, or “us”) at www.defnex.co and its related pages, content, catalogs, forms, and communication channels (the “Website”).

By accessing or using this Website, you agree to be bound by these Terms. If you do not agree with these Terms, please do not use the Website.

1. Purpose of the Website
The Website is provided for general informational and business communication purposes. It is intended to present our company, product groups, solution areas, catalogs, and quotation/request channels.

The Website does not constitute a binding sales offer, commitment to supply, or guarantee of availability unless explicitly confirmed by DEFNEX in writing.

2. Quotations and Orders
Any quotation request submitted through the Website, by e-mail, or through other communication channels is non-binding unless and until it is reviewed and confirmed by DEFNEX in writing.

Any product sale, supply, delivery, or project-based procurement process shall be subject to a separate quotation, purchase order, proforma invoice, written agreement, or other commercial document issued or accepted by DEFNEX.

In the event of any conflict between these Terms and a separate written commercial agreement, the separate written agreement shall prevail.

3. Product Information and Catalogs
Product descriptions, visuals, technical references, categories, certifications, and catalog content published on the Website are for general informational purposes only.

Certain products may be supplied on a project-specific basis and may vary depending on technical requirements, stock availability, manufacturer specifications, import conditions, regulatory requirements, and client requests.

Nothing on the Website shall be interpreted as a guarantee that any product is always available, identical in every batch, or suitable for a particular use unless explicitly confirmed in writing by DEFNEX.

Final product suitability, certification scope, technical compliance, and documentation shall be evaluated according to the relevant quotation, technical file, manufacturer documentation, and project requirements.

4. No Professional or Technical Reliance
The Website does not provide legal, engineering, occupational safety, medical, laboratory, or regulatory advice.

Users are responsible for independently evaluating whether a product, product group, or technical solution is suitable for their intended purpose, workplace conditions, industry standards, and legal obligations.

5. User Responsibilities
By using the Website, you agree:
- to use it only for lawful purposes,
- not to submit false, misleading, incomplete, or unauthorized information,
- not to attempt unauthorized access to the Website, servers, forms, or related systems,
- not to interfere with the operation, security, or integrity of the Website,
- not to use the Website in a way that could damage DEFNEX’s reputation, rights, or business operations.

If you submit a quotation request, contact form, or file through the Website, you are responsible for the accuracy, legality, and appropriateness of the information and documents you provide.

6. Intellectual Property
Unless otherwise stated, all content on the Website, including but not limited to text, page structure, graphics, icons, layout, branding elements, catalogs prepared by DEFNEX, and other materials, is owned by or licensed to DEFNEX and is protected by applicable intellectual property laws.

You may view the Website and download or print materials only for legitimate internal business evaluation purposes. You may not reproduce, modify, republish, distribute, commercially exploit, or create derivative works from Website content without prior written permission from DEFNEX.

Third-party trademarks, brands, product names, and manufacturer references appearing on the Website remain the property of their respective owners.

7. Third-Party Links and External Content
The Website may contain links to third-party websites, documents, platforms, or social media pages for convenience only. DEFNEX does not control and is not responsible for the content, accuracy, availability, privacy practices, or security of third-party websites or services.

Access to such third-party resources is at your own risk.

8. Website Availability and Changes
DEFNEX may update, modify, suspend, restrict, or remove any part of the Website, including product groups, catalogs, legal pages, or communication forms, at any time and without prior notice.

We do not guarantee that the Website will always be uninterrupted, error-free, secure, or free from harmful components.

9. Limitation of Liability
To the maximum extent permitted by applicable law, DEFNEX shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising out of or related to:
- the use of or inability to use the Website,
- reliance on Website content,
- delays, interruptions, errors, or omissions,
- temporary or permanent unavailability of product information or catalogs,
- any third-party website or service linked from the Website.

Nothing in these Terms excludes liability that cannot be excluded under applicable law.

10. Privacy, Cookies, and Communication Preferences
Use of the Website may involve the processing of personal data in accordance with the applicable privacy and data protection rules. For further information, please review our KVKK Privacy Notice, Cookie Policy, and Commercial Electronic Message Consent & Preferences text available on the Website.

11. Governing Law and Jurisdiction
These Terms shall be governed by and construed in accordance with the laws of the Republic of Türkiye.

Any dispute arising out of or in connection with these Terms or the use of the Website shall be subject to the jurisdiction of the Mersin Courts and Enforcement Offices, unless mandatory legal rules require otherwise.

12. Contact Information
For questions regarding these Terms or the Website, you may contact us at:

Defnex Petrokimya Sanayi Ticaret Limited Şirketi
Address: Kuzeykent Mah. 79. Cadde No: 27 Marvista İş Merkezi 5-21 Yenişehir / Mersin
Phone: +90 533 073 36 80
KEP: defnex@hs06.kep.tr
E-mail: info@defnex.co

13. Updates to These Terms
DEFNEX may revise these Terms from time to time. Updated versions become effective once published on the Website, unless a different effective date is stated.

Last Updated: 13.03.2026