# Cookie Policy
**Effective Date: June 16, 2026**
This policy explains how www.leisa.com uses cookies. **In short: we only use a cookie to remember your language preference. No tracking.**
## What Are Cookies
Cookies are small text files stored on your device by a website. They help remember your preferences. Cookies do not contain viruses or harm your device.
## Cookies Used on This Site
| Cookie | Type | Purpose | Duration | Personal Data? |
|--------|------|---------|----------|:--:|
| `lang` | Essential | Remember language (ZH/EN/RU/AR) | 30 days | No |
**Third-party**: Google Fonts may set cookies during font loading. See [Google Privacy Policy](https://policies.google.com/privacy). We set no tracking or advertising cookies on our own servers.
## What We Do NOT Use
- ❌ Tracking cookies
- ❌ Advertising cookies
- ❌ Social media pixels
- ❌ Third-party analytics cookies
## Managing Cookies
You can disable cookies in your browser:
- **Chrome**: Settings → Privacy → Third-party cookies
- **Safari**: Preferences → Privacy → Block all cookies
- **Firefox**: Options → Privacy & Security
- **Edge**: Settings → Cookies and site permissions
Note: disabling cookies will prevent language preference from being remembered.
## Contact
- **Email**: info@leisa.com
- **Address**: F4, Optics Valley Future City, Dongying, Shandong, China