Privacy Notice

Last updated: 20 October 2026

This notice explains how personal data of visitors to www.derenkimya.com.tr and of people who submit a quotation/order request through the website are processed, under Article 10 of the Turkish Personal Data Protection Law No. 6698 ("KVKK").

1. Data controller

Deren Kimya San. ve Tic. A.Ş.
Cumhuriyet Mah. Efe Sk. No:20/B, Şekerpınar – Çayırova / Kocaeli, Türkiye
Phone: +90 216 449 67 67 · E-mail: info@derenkimya.com.tr

2. Personal data we process

We do not ask for special categories of personal data (health, religion, etc.); please do not enter such data in the message field.

3. Purposes and legal bases

4. Recipients and international transfers

Our hosting and database providers (OVH SAS and Supabase, with servers in Frankfurt, Germany), e-mail service providers and — if you consent — Google (Google Analytics); our group companies and business partners to the extent needed to supply the product or service you asked about; and competent public authorities where required by law. As our servers are located abroad, your data is transferred outside Türkiye in accordance with Article 9 of KVKK.

5. Retention

Quotation and order requests are kept for the duration of the business relationship and the retention and limitation periods under the Turkish Commercial Code and tax legislation, then deleted, destroyed or anonymised. Google Analytics data is kept for 14 months. Server logs are kept for a limited period for security.

6. Your rights

Under Article 11 of KVKK you may ask whether your data is processed and request information about it, learn the purpose of processing, know the third parties it is transferred to in Türkiye or abroad, request correction, deletion or destruction, request that these actions be notified to recipients, object to a result against you arising solely from automated processing, and claim compensation for damage caused by unlawful processing. Visitors from the EEA also have the rights granted by the GDPR, including the right to lodge a complaint with a supervisory authority.

7. How to apply

Send your request with information identifying you, in writing and signed, to our address above, or with a secure electronic signature, or from an e-mail address previously registered with us to info@derenkimya.com.tr. We respond free of charge within 30 days at the latest.

This English version is provided for information; in case of discrepancy the Turkish version prevails.