Terms of service

Last Updated: October 20, 2026

Overview Welcome to yankuncrystal. References to “we”, “us” and “our” refer to yankuncrystal. Yankuncrystal is an online jewelry brand operated by Kezhen Xiamen Jewelry Youxian Engineering Co., Ltd.

Yankuncrystal operates this online store and website, including related information, content, features, tools, products and services made available through this website (collectively referred to as the “Service”). Our online store is powered by Shopify, which enables us to provide the Service to you.

These Terms of Service, together with policies posted on our website, describe your rights and responsibilities when you access or use our Service.

Please read these Terms of Service carefully. By accessing, using or interacting with our Service, you agree to be bound by these Terms of Service and policies posted on our website. If you do not agree to these Terms, you must not access or use our Service.

Section 1 – Access and Accounts By agreeing to these Terms of Service, you represent that you have reached the age of majority in your state, province or jurisdiction, or that you have consented for any minor dependant to use the Service on the device owned, purchased or managed by you.

To use certain parts of the Service (including placing orders), you may be required to provide information such as your email address, billing information, payment information and delivery information.

You agree to provide accurate, current and complete information.

You are responsible for keeping your account credentials secure and are liable for all activities conducted under your account.

Section 2 – Our Products We use reasonable efforts to provide accurate descriptions and depictions of products sold through our online store.

Many of our jewelry items contain natural gemstones, pearls, wood or other natural materials. Variations in colour, pattern, inclusions, texture, transparency, shape and other natural characteristics may therefore occur. These variations are inherent properties of the materials and make each piece unique.

All crystal jewelry and crystal specimens are sold for decorative purposes only. They are NOT medical products and do NOT have any healing, therapeutic or spiritual treatment effects.

Product colour and appearance may also vary slightly depending on screen, device, lighting conditions and display settings.

Product descriptions, availability, specifications and other product information may be updated as necessary.

We reserve the right to discontinue products or limit purchase quantities where reasonably necessary.

Section 3 – Orders When you place an order, you are submitting an offer to purchase products from yankuncrystal.

An order is only deemed accepted once payment has been confirmed and successfully completed.

Please carefully review your order details before submitting your purchase.

If we need to modify, refuse or cancel your order, we will use reasonable efforts to contact you using the contact details provided in your order.

Returns and refunds will be handled in accordance with our Return Policy posted on this website.

Section 4 – Pricing and Billing Product prices, discounts and promotions may change from time to time.

Product prices are those displayed at the time of checkout, subject to applicable discounts or promotions.

Unless otherwise stated, product prices do not include shipping fees, customs duties, import taxes or other charges that may apply to your order.

Any applicable shipping costs will be displayed or calculated at checkout based on shipping method and destination.

You agree to provide accurate and complete billing, payment and account information when placing your order.

Section 5 – Shipping and Delivery Orders will be processed and shipped in accordance with our Delivery Policy posted on this website.

Processing times and estimated delivery times are for reference only. Delivery timelines are estimates and may be affected by customs processing, public holidays, weather conditions, carrier delays or other circumstances beyond our reasonable control.

It is the customer’s responsibility to provide an accurate and complete delivery address.

Please refer to our Shipping Policy for up-to-date information regarding processing times, shipping fees, estimated delivery dates, international shipping, customs duties and order tracking.

Section 6 – Returns and Refunds Returns and refunds are governed by our Return Policy posted on this website.

Eligible items may be returned within 14–30 days after receipt of your order, subject to the eligibility requirements and conditions set out in our Return Policy.

Unless the item received is damaged, defective or incorrect, the customer shall bear the return shipping cost.

Certain products, including personalised or custom jewellery, may not be eligible for return unless the item arrives damaged, defective or incorrect.

Approved refunds will be issued back to the original payment method within the timeframes specified in our Return Policy.

Please review our Return Policy for full return and refund details.

Section 7 – Intellectual Property All content provided through the Service, including our brand name, logos, text, product descriptions, original designs, graphics, photographs, videos and other content, may be protected under applicable intellectual property laws.

Unless permitted by law or expressly authorised in writing by us, you may not copy, distribute, modify, republish, display, sell or commercially exploit content owned by yankuncrystal without prior written permission.

Shopify and other third-party names, logos, trademarks and content remain the property of their respective owners.

Section 8 – Optional Tools and Third-Party Services We may provide access to tools, applications, payment services, shipping services or other services operated by third parties.

These third-party services may be governed by their own terms and privacy policies.

We are not liable for third-party services outside our reasonable control. You should carefully review their applicable terms and policies before using any third-party service.

Section 9 – Third-Party Links Our website may contain links to third-party websites or services.

We are not responsible for the content, accuracy, availability, policies or practices of third-party websites.

If you choose to access or use third-party websites or services, you will be subject to the applicable third-party terms and policies.

Section 10 – Relationship with Shopify yankuncrystal is powered by Shopify, whose e-commerce technology allows us to operate our online store.

Sales and purchases made through this store constitute a transaction between the customer and yankuncrystal.

Shopify is not the seller of yankuncrystal products and is not responsible for fulfilling orders placed with yankuncrystal.

Section 11 – Privacy Personal information collected by this website will be processed in accordance with our Privacy Policy posted on this website.

As our online store is powered by Shopify, Shopify and other service providers may also process certain personal information to operate our store, process payments, fulfil orders, prevent fraud and provide related services.

Please review our Privacy Policy for more information on the collection, use and sharing of personal information.

Section 12 – Feedback and Reviews By submitting reviews, comments, suggestions, photographs, feedback or other content to us, you warrant that you hold all necessary rights to submit such content.

You agree not to submit content that is unlawful, misleading, abusive, defamatory, obscene, infringing or otherwise violates the rights of others.

We may use customer feedback and reviews for legitimate business purposes, subject to applicable law and our Privacy Policy.

Section 13 – Errors, Inaccuracies and Omissions Information on our website may occasionally contain typographical errors, inaccuracies or omissions relating to product descriptions, pricing, promotions, shipping fees, delivery times, availability or other information.

We reserve the right to correct errors, inaccuracies or omissions and update information where reasonably necessary.

If an error materially affects an order you have placed, we will use reasonable efforts to contact you.

Section 14 – Prohibited Uses You may use our website and Service only for lawful purposes.

You must not use the Service to violate applicable laws or regulations, infringe intellectual property rights, distribute malware, engage in fraudulent activity, unlawfully collect personal information, interfere with website security, impersonate any person or entity, or disseminate false or misleading information.

We reserve the right to restrict or terminate access to the Service where reasonably necessary to protect our customers, business, website or legal interests.

Section 15 – Termination We may suspend or terminate your access to the Service in the event of a material breach of these Terms, or to protect the security, integrity or lawful operation of our website.

Obligations which by their nature are intended to survive termination shall remain in force to the extent permitted by applicable law.

Section 16 – Disclaimer of Warranties We use reasonable efforts to maintain accurate, reliable information and services.

However, the Service is provided on an “as is” and “as available” basis, unless otherwise required by applicable law.

We do not warrant that access to the Service will be uninterrupted, error-free or available at all times.

Nothing in these Terms excludes or limits any warranties, guarantees or consumer rights that cannot be excluded or limited by law.

Section 17 – Limitation of Liability To the maximum extent permitted by applicable law, yankuncrystal and its service providers shall not be liable for indirect, incidental, special, punitive or consequential damages arising out of your use of the Service.

Nothing in these Terms excludes or limits liability to the extent prohibited by applicable law.

These Terms do not affect your statutory consumer rights.

Section 18 – Indemnification To the extent permitted by applicable law, you agree to indemnify and hold harmless yankuncrystal, its affiliates, employees, contractors and service providers from any claims or liabilities arising from your unlawful use of the Service, breach of these Terms or infringement of the rights of others.

Section 19 – Severability If any provision of these Terms is found to be unlawful, invalid or unenforceable, that provision shall be enforced to the maximum extent permitted by applicable law or severed where necessary.

The remaining provisions shall remain in full force and effect.

Section 20 – Waiver and Entire Agreement Failure to exercise or enforce any right under these Terms shall not constitute a waiver of that right.

These Terms, together with policies posted on our website, constitute the agreement governing your use of the Service, subject to applicable law.

Section 21 – Assignment You may not assign or transfer your rights or obligations under these Terms without our prior written consent, where required by law.

Subject to applicable law, we may assign our rights or obligations in the event of a lawful business transfer or restructuring.

Section 22 – Governing Law These Terms of Service and any separate agreements under which we provide the Service shall be governed by and construed in accordance with applicable law.

Nothing in these Terms limits any mandatory consumer rights or protections granted to you under the law of your jurisdiction.

Section 23 – Changes to Terms We may update these Terms of Service from time to time to reflect changes to our Service, business practices or legal requirements.

The latest version will be published on this page.

We will provide appropriate notice of material changes if required by applicable law.

Section 24 – Contact Information For questions regarding these Terms of Service, please contact us by email at yankuncrystal@outlook.com.

Business Information Brand Name: yankuncrystal Support Email: yankuncrystal@outlook.com Official WhatsApp: