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

• Contact and account information, such as name, email, telephone number, and account credentials.
• Order and delivery information, including billing and shipping addresses, products purchased, and transaction details.
• Payment-related information required to process transactions. Full payment credentials are generally handled by Shopify and payment providers.
• Device, browser, network, cookie, usage, and interaction information.
• Messages, reviews, return requests, photographs, and other information you submit to us.

Information may be collected directly from you, automatically through cookies and similar technologies, or from service providers that support checkout, payments, fulfillment, delivery, analytics, fraud prevention, and customer service.

• Process orders, payments, fulfillment, shipment, delivery, returns, and refunds.
• Provide customer service and respond to requests.
• Operate, secure, troubleshoot, analyze, and improve our website and services.
• Detect fraud, misuse, security incidents, or unlawful activity.
• Send service messages and, where permitted, marketing communications.
• Meet legal, regulatory, accounting, tax, and recordkeeping obligations.

We and our service providers may use cookies, pixels, and similar technologies for website functionality, checkout, preferences, analytics, fraud prevention, and advertising where enabled. Browser settings may allow you to limit cookies, but some store features may not function properly.

We may disclose information to Shopify, payment processors, shipping carriers, fulfillment partners, technology and analytics providers, customer-service providers, professional advisers, insurers, auditors, government authorities, or other parties where reasonably necessary or legally required.

Our store is hosted by Shopify. Shopify processes information to provide its platform and related services in accordance with its own privacy obligations and policies.

Where enabled and permitted, we or our partners may use certain information to measure campaigns or present relevant advertising. Applicable users may have rights to opt out of certain targeted advertising or sharing practices.

We retain personal information for as long as reasonably necessary for order administration, customer support, accounting, dispute resolution, fraud prevention, and legal compliance. Retention periods vary according to the information and applicable requirements.

Depending on your location, you may have rights to request access, correction, deletion, portability, or restriction of certain personal information, and to opt out of certain processing. Rights are subject to applicable exceptions and identity verification.

Email service@alvencrest.com with the subject line “Privacy Request.” Describe your request and provide enough information for us to identify the relevant account or transaction. Never email passwords or full payment credentials.

You may unsubscribe from promotional emails through the unsubscribe link included in those messages. We may still send non-promotional service communications about orders, security, policy updates, or customer-service requests.

We use reasonable administrative, technical, and organizational measures intended to protect personal information. No online transmission or storage method can be guaranteed completely secure.

Our products are intended to be purchased by adults. Our store is not intended to collect personal information directly from children under 13, and children should not submit personal information or place orders. If you believe a child has provided information to us, contact us so we can review and take appropriate action.

Information may be processed in countries different from where you live. Where required, we use appropriate mechanisms or safeguards for international processing.

Our website may contain links to third-party services. Their privacy practices are governed by their own policies. Review those policies before submitting information.

We may update this policy when our services, technology, business practices, or legal requirements change. The current version will be posted on this page with an updated revision date.