alvencrest™ and alvencrest.com are owned and operated by Shanghai Jiduiyu Network Technology Co., Ltd., No. 24, Yangxin East Road, Pudong New Area, Shanghai, China.

By accessing or using this website, you agree to these Terms of Use and applicable policies. If you do not agree, do not use the website. Purchases are also governed by our Terms and Conditions and other store policies.

You must be legally capable of agreeing to these Terms. If you have not reached the applicable age of majority, use the website only with the involvement and consent of a parent or legal guardian.

You may use the website for lawful personal shopping, accessing product information, managing an account, contacting support, and interacting with available store features.

• Use the website for unlawful, fraudulent, deceptive, abusive, or harmful purposes.
• Attempt unauthorized access to systems, accounts, data, or security features.
• Introduce malicious code or interfere with website operation.
• Scrape, harvest, or collect website or user information without authorization.
• Impersonate another person or misrepresent an identity or relationship.
• Infringe intellectual property, privacy, publicity, or other rights.

Branding, photographs, graphics, layouts, copy, designs, and original website content are owned by, licensed to, or lawfully used by the operator. They may not be copied, reproduced, modified, republished, distributed, imitated, or commercially exploited without authorization, except where applicable law permits.

You are responsible for providing current, complete, and accurate information and for safeguarding login credentials. Notify us promptly if you suspect unauthorized account use.

Reviews, photographs, messages, and other submissions must be lawful, accurate, relevant, and non-infringing. By voluntarily submitting content, you grant us permission to use it for store operation, customer service, and marketing where permitted. We may moderate or remove inappropriate content.

We aim to provide accurate product descriptions, images, prices, dimensions, and availability. Minor color and appearance differences may occur because of lighting, display settings, materials, or manufacturing batches. Always review product-specific care, age, and safety information.

General articles, product guidance, and educational content are provided for informational purposes and do not constitute medical, legal, financial, or professional advice.

The website uses Shopify and may link to or rely on third-party payment, shipping, analytics, or other services. Third-party services are governed by their own terms and policies, and we are not responsible for their independent content or practices.

We may update, maintain, modify, suspend, restrict, or discontinue website features without guaranteeing uninterrupted or error-free availability. Maintenance, technical issues, or events outside reasonable control may temporarily affect access.

No website, electronic communication, or online transmission is completely secure. Use reasonable precautions, maintain strong passwords, and do not send full payment credentials or passwords by email.

Purchases submitted through alvencrest.com are governed by our Terms and Conditions, Shipping Policy, Return & Refund Policy, Privacy Policy, and Payment & Security page. A purchase-specific provision controls over a general website-use provision where appropriate and permitted by law.

To the fullest extent permitted by law, the website is provided on an “as available” basis without warranties beyond those expressly stated or legally required. We are not liable for indirect, incidental, special, or consequential losses where exclusion is permitted. Nothing limits liability that cannot lawfully be limited.

These Terms are governed by applicable law without depriving consumers of mandatory protections available in their place of residence. Contact us first so we may attempt to resolve concerns in good faith.

We may update these Terms when website features, business practices, service providers, or legal requirements change. Continued use after an updated version is posted constitutes acceptance to the extent permitted by law.