This Cookie Policy explains how Công ty TNHH Nhôm Thép Quang Minh ("we", "us") uses cookies and similar technologies when you visit our website. It should be read together with our Privacy Policy.
1. What are cookies?
Cookies are small text files stored on your device (computer, phone or tablet) when you visit a website. They are widely used to make websites work more efficiently and to provide information to the site owners.
Cookies allow us to:
- Remember your preferences and settings
- Understand how you use the website
- Improve your browsing experience
- Keep your account secure
- Deliver relevant content and features
2. Types of cookies we use
2.1 Essential cookies
These cookies are required for the website to function and cannot be switched off. They support core functions such as security, connection management and access.
| Cookie | Purpose | Duration |
|---|---|---|
__clerk_* | Authentication and login session management | Session/1 year |
__Host-csrf | CSRF protection for secure forms | Session |
next-auth.session-token | User session identification | 30 days |
cookie-consent | Stores your cookie preferences | 1 year |
2.2 Functional cookies
These cookies enable enhanced functionality and personalisation, such as remembering your preferences, language and region.
| Cookie | Purpose | Duration |
|---|---|---|
theme-preference | Remembers light/dark mode | 1 year |
quote-storage | Saves products in your quote cart | 7 days |
recent-products | Tracks recently viewed products | 30 days |
2.3 Analytics cookies
These cookies help us understand how visitors interact with the website by collecting and reporting information anonymously. This data is used to improve our website and services.
| Cookie | Purpose | Duration |
|---|---|---|
_va | Vercel Analytics — anonymous usage data | 1 year |
session-id | Anonymous session tracking for analytics | Session |
Note: We do not use third-party advertising cookies and do not share analytics data with advertising networks.
2.4 Performance cookies
These cookies collect information about how you use the website, such as which pages are visited most often and whether you encounter error messages. All information is aggregated and anonymous.
| Cookie | Purpose | Duration |
|---|---|---|
sentry-* | Error monitoring and performance tracking | Session |
3. Third-party cookies
Some cookies are set by third-party services that appear on our pages. We use the following trusted services:
Clerk (Authentication)
Provides user authentication and secure session management. Privacy policy: clerk.com/privacy
Payment gateways
Process payments securely (VNPay, Stripe). Payment gateways may set cookies to prevent fraud and keep transactions secure. Privacy policy: stripe.com/privacy
Vercel (Infrastructure & analytics)
Hosts the website and provides anonymous analytics that help us improve performance. Privacy policy: vercel.com/legal/privacy-policy
4. How to manage cookies
You have the right to decide whether to accept or reject cookies. You can manage your cookie preferences in several ways:
4.1 Browser settings
Most browsers let you manage cookies in their settings. You can set your browser to:
- Block all cookies
- Block third-party cookies only
- Delete cookies when you close the browser
- Notify you when a website sets or accesses cookies
Guides for managing cookies in popular browsers:
4.2 Impact of disabling cookies
Please note that blocking or deleting cookies may affect your experience on the website:
- You may not be able to sign in to your account
- Some features and services may not work properly
- Your preferences and settings will not be remembered
- You may see the same information or messages repeatedly
4.3 "Do Not Track" signals
Some browsers offer a "Do Not Track" feature that sends a signal asking websites not to track your browsing activity. We respect this signal and will not track your activity when it is enabled.
5. Local Storage and Session Storage
In addition to cookies, we use your browser's local storage and session storage to store information on your device:
- Local Storage: Long-term storage for user preferences, interface settings and quote cart data
- Session Storage: Temporary storage that is cleared automatically when you close the browser tab
You can clear local storage through your browser's developer tools or privacy settings.
6. Updates to this Cookie Policy
We may update this Cookie Policy from time to time to reflect changes in our practices or for legal, operational or regulatory reasons. The "Last updated" date at the top of the page indicates the most recent revision.
We recommend that you review this policy periodically. Continued use of the website after any changes constitutes acceptance of the updated Cookie Policy.
7. Contact
If you have any questions about our use of cookies or this Cookie Policy, please contact us:
Công ty TNHH Nhôm Thép Quang Minh
Trading as Quang Minh Aluminium
8. More information
For more about how we handle personal data, please see our Privacy Policy.