By accessing or using qsfdsz.com, you agree to use the website lawfully and responsibly and to comply with these Terms of Use to the extent they are enforceable.

The website is intended for browsing products, reviewing store information, contacting customer care and making legitimate purchases.

You may use the site for personal and lawful shopping-related purposes.

Users must be legally permitted to access the relevant services. When placing an order, the purchaser must be legally able to enter into the transaction.

Parents or guardians should supervise minors where appropriate.

• Attempting unauthorized access to customer accounts, payment systems, administration tools or store infrastructure.
• Submitting fraudulent orders, abusive requests or intentionally false information.
• Interfering with the normal availability, security or performance of the website.
• Using the site to distribute unlawful, malicious, infringing or harmful content.
• Scraping, copying or exploiting protected site content in a way that violates applicable law or intellectual-property rights.

If customer accounts are enabled, you are responsible for keeping account credentials confidential and for providing accurate information.

Contact us promptly if you suspect unauthorized access to your account.

Product pages are intended to help customers understand the items offered for sale. Minor visual differences can occur because of screens, photography or manufacturing changes.

Do not infer unlisted technical specifications, certifications or performance claims from product images alone.

The Qsfdsz™ name, logos, original website design, text, images and related materials may be protected by copyright, trademark or other intellectual-property laws.

Access to the website does not grant permission to reproduce, redistribute or commercially exploit protected materials except where the law permits.

The site may link to or depend on outside services such as Shopify, payment providers, logistics partners or social platforms.

Third-party services operate under their own terms and privacy practices, and we do not control all aspects of their systems.

Use of personal information connected with the store is described in our Privacy Policy. Please review that policy for information about data collection, use, sharing and applicable privacy requests.

Purchases are subject to the Terms and Conditions, Payment & Security, Shipping Policy and Return & Refund Policy.

Payment must be completed using an option shown at checkout. For eligible U.S. orders, estimated delivery is 2–7 days, with Standard Shipping at $2.99 USD and Express Shipping at $5.99 USD when available. Return or exchange requests may be started within 30 days of delivery.

We may update, suspend or modify parts of the website for maintenance, security, product changes or operational reasons. We do not guarantee uninterrupted access at all times.

Do not attempt to bypass security controls, upload malicious code or interfere with checkout, authentication or site availability.

If you identify a security concern, contact service@qsfdsz.com with enough information for us to review it safely.

The website and its general informational content are provided for shopping and customer-service purposes. Product-specific warranties or guarantees apply only where expressly stated or required by law.

To the maximum extent permitted by law, we are not responsible for losses caused by misuse of the website, unauthorized third-party activity or circumstances outside our reasonable control.

Nothing in these terms excludes rights or liabilities that cannot legally be excluded.

We may revise these Terms of Use when store features, operations or legal requirements change. The current version will be posted on this page.

Questions about website use can be sent to service@qsfdsz.com or discussed by telephone at +86 137 2872 4497. Customer service is available 8:00 AM – 10:00 PM Daily.