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 are set by Clerk, our authentication provider, to keep you signed in. We do not use NextAuth.
| Cookie | Purpose | Duration |
|---|---|---|
__clerk_*, __session | Clerk — authentication and login session management | Session/1 year |
__client_uat | Clerk — signals whether your login session is still valid | Session |
2.2 Functional cookies
The entries below are NOT cookies: they live in your browser's Local Storage and are never sent with each request. They power conveniences such as remembering your theme, cart and quote cart.
| Cookie | Purpose | Duration |
|---|---|---|
quangminh-theme | Remembers light/dark mode (next-themes) | Until you clear browser data |
quangminh-quote | Saves products in your quote cart | Until you clear browser data |
cart-storage | Saves products in your cart | Until you clear browser data |
comparison-store | Saves the products you are comparing (max 3) | Until you clear browser data |
recently-viewed-products | Tracks recently viewed products | Until you clear browser data |
wishlist-session-id | Keeps a guest wishlist before you sign in | Until you clear browser data |
2.3 Analytics cookies
These entries 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 |
|---|---|---|
_ga, _ga_* | Google Analytics 4 — anonymous traffic statistics (IP anonymisation on, ad personalisation off) | Up to 2 years |
_va | Vercel Analytics — anonymous usage data | 1 year |
analytics-session-id | Anonymous session id used to count product page views | Until you clear browser data |
Note: We do not use third-party advertising cookies and do not share analytics data with advertising networks.
2.4 Performance cookies
The entry below lives in your browser's Session Storage (cleared when you close the tab) and only groups errors from the same session. All information is aggregated and anonymous.
| Cookie | Purpose | Duration |
|---|---|---|
sentryReplaySession | Sentry — groups errors that happened in the same session | Session (cleared when you close the tab) |
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, cart and quote cart — the keys are listed in sections 2.2 and 2.3
- 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.