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Terms of Service


This website is operated by Openterface, part of Guangzhou Billio Tech Co., Ltd. The terms "we", "us", and "our" refer to Openterface. This website, inclusive of all information, tools, and services available from it, is offered to you, the user, subject to your acceptance of all the terms, conditions, policies, and notices outlined here.

By accessing or using our website and/or purchasing from us, you engage in our "Service" and agree to be bound by these terms and conditions, referred to as "Terms of Service" or "Terms", which include additional terms, conditions, and policies available via hyperlink. These Terms apply to all site users, including but not limited to browsers, vendors, customers, merchants, and content contributors.

Please read these Terms of Service carefully before using our website. By accessing or using any part of the site, you consent to these Terms. If you do not agree with this agreement's terms and conditions, you should not access the website or use any services. If these Terms of Service are regarded as an offer, acceptance is expressly limited to these Terms.

New features or tools added to the current store will also fall under these Terms of Service. You can review the latest version of the Terms of Service on this page at any time. We may update, change, or replace parts of these Terms by posting updates and/or changes on our website. Regularly checking this page for changes is your responsibility. Continued use of or access to the website after changes implies acceptance of these changes.

By agreeing to these Terms of Service, you confirm that you are at least the age of majority in your state or province of residence. If you are the age of majority, you have also consented to allow your minor dependents to use this site. Our products must not be used for illegal or unauthorized purposes, nor should the Service be used to violate any laws in your jurisdiction, including copyright laws. It is prohibited to transmit harmful code such as worms, viruses, or destructive code. Any breach of these Terms will result in immediate termination of your services.

General Conditions

We reserve the right to refuse service to anyone at any time. Your content (excluding credit card information) might be transferred unencrypted and may undergo changes to meet technical requirements. Credit card information is always encrypted during transfer. Without our express written permission, you are not allowed to reproduce, duplicate, copy, sell, resell, or exploit any part of the Service or access to the Service. The headings in this agreement are for convenience only and will not limit or affect these Terms.

Accuracy, Completeness, and Timeliness of Information

We are not liable if the information on this site is inaccurate, incomplete, or not current. The material on this site is for general information and should not be the sole basis for decision-making. Any reliance on the site's material is at your own risk. The site may contain historical information for reference only. We may modify site contents at any time without obligation to update any information. Monitoring changes to our site is your responsibility.

Modifications to the Service and Prices

Product prices are subject to change without notice. We may modify or discontinue the Service without notice at any time. We are not liable for any Service modification, price change, suspension, or discontinuance.

Products or Services

Certain products or services may be available exclusively online. These may have limited quantities and are subject to our Return, Refund, and Warranty Policy. We have endeavored to display product colors and images accurately, but cannot guarantee accurate display on your monitor. We reserve the right to limit sales to any person, geographic region, or jurisdiction and to limit product quantities. Product descriptions and pricing are subject to change at any time without notice, at our discretion. We may discontinue any product at any time. Any product or service offers on this site are void where prohibited. We do not warrant that the quality of products, services, information, or other material purchased will meet your expectations, or that service errors will be corrected.

Accuracy of Billing and Account Information

We reserve the right to refuse any order. We may limit or cancel quantities purchased per person, household, or order. These restrictions can include orders by the same customer account, credit card, and/or orders using the same billing/shipping address. We may contact you via email, billing address, or phone number if we change or cancel an order. We reserve the right to limit or prohibit orders that appear to be placed by dealers, resellers, or distributors.

You agree to provide current, complete, and accurate purchase and account information for all purchases. You agree to update your account and other information, including your email address and credit card numbers and expiration dates, to complete your transactions and contact you as needed.

For more details, please review our Return, Refund, and Warranty Policy.

Optional Tools

We may provide access to third-party tools over which we have no control or input. Access to such tools is provided "as is" and "as available" without any warranties, representations, or conditions of any kind and without endorsement. We are not liable for your use of optional third-party tools. Use of these tools is at your own risk and discretion, and you should ensure you are familiar with and approve of the terms provided by the relevant third-party providers. New services and/or features, including new tools and resources, will also be subject to these Terms of Service.

Content, products, and services available via our Service may include third-party materials. Third-party links may direct you to websites not affiliated with us. We are not responsible for the content or accuracy of third-party websites and do not warrant and will not be liable for any third-party materials, websites, or other products or services. We are not liable for any harm or damages related to third-party goods, services, resources, content, or transactions. Review third-party policies and practices before engaging in transactions. Complaints, claims, concerns, or questions regarding third-party products should be directed to the third-party.

User Comments, Feedback, and Other Submissions

If you send specific submissions at our request (e.g., contest entries) or send unsolicited creative ideas, suggestions, proposals, plans, or other materials, we may, without restriction, edit, copy, publish, distribute, translate, and use any comments you send us. We are under no obligation to (1) maintain comments in confidence; (2) pay compensation for comments; or (3) respond to comments. We may monitor, edit, or remove content deemed unlawful, offensive, threatening, libelous, defamatory, pornographic, obscene, or otherwise objectionable or violating intellectual property rights or these Terms. You agree your comments will not violate any third-party rights, contain libelous or unlawful material, or malware affecting the Service. You are responsible for your comments' accuracy, and we assume no liability for comments posted by you or any third party.

Personal Information

Your submission of personal information through the store is governed by our Privacy Policy.

Errors, Inaccuracies, and Omissions

Occasionally, there may be information in the Service containing typographical errors, inaccuracies, or omissions related to product descriptions, pricing, promotions, offers, product shipping charges, transit times, and availability. We reserve the right to correct any errors, inaccuracies, or omissions, and to change or update information or cancel orders if any Service information is inaccurate at any time without prior notice. No obligation exists to update, amend, or clarify information in the Service or on related websites, including pricing information, except as required by law.

Prohibited Uses

In addition to other prohibitions set forth in the Terms of Service, you are prohibited from using the site or its content for unlawful purposes; to solicit others to perform unlawful acts; to violate international, federal, state, or local regulations, laws, or ordinances; to infringe upon our or others' intellectual property rights; to harass, abuse, insult, harm, defame, slander, disparage, intimidate, or discriminate; to submit false or misleading information; to upload or transmit malicious code; to collect or track personal information of others; to spam, phish, pharm, pretext, spider, crawl, or scrape; for obscene or immoral purposes; or to interfere with or circumvent the Service's security features. We reserve the right to terminate your use of the Service for violating any of the prohibited uses.

Disclaimer of Warranties; Limitation of Liability

We cannot guarantee that your use of our service will be uninterrupted, timely, secure, or free from errors. Additionally, we cannot assure that the results obtained from using our service will be accurate or reliable. You acknowledge that we may suspend the service for indefinite periods or cancel the service at any time, without prior notice.

Your use of, or inability to use, the service is solely at your own risk. The service and all products and services delivered to you through the service are, unless explicitly stated by us, provided 'as is' and 'as available', without any warranties or conditions of any kind, either express or implied. This includes any implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property rights.

Under no circumstances shall Openterface, our directors, officers, employees, affiliates, agents, contractors, interns, suppliers, service providers, or licensors be liable for any injury, loss, claim, or direct, indirect, incidental, punitive, special, or consequential damages of any kind. This includes, without limitation, lost profits, lost revenue, lost savings, loss of data, replacement costs, or any similar damages, whether based in contract, tort (including negligence), strict liability, or otherwise, arising from your use of the service or any products procured using the service. This also includes any other claim related in any way to your use of the service or any product, such as errors or omissions in any content, or any loss or damage of any kind incurred as a result of the use of the service or any content (or product) posted, transmitted, or otherwise made available via the service, even if advised of their possibility. The limitation of liability shall apply to the fullest extent permitted by law in the applicable jurisdiction.


You agree to indemnify, defend, and hold harmless Openterface and our parent, subsidiaries, affiliates, partners, officers, directors, agents, contractors, licensors, service providers, subcontractors, suppliers, interns, and employees from any claims or demands, including reasonable legal fees, made by any third party due to or arising out of your breach of these Terms of Service, the documents they incorporate by reference, or your violation of any law or the rights of a third party.


If any provision of these Terms of Service is found to be unlawful, void, or unenforceable, such provision shall nevertheless be enforceable to the fullest extent permitted by applicable law. The unenforceable portion shall be considered severed from these Terms of Service, but this determination shall not affect the validity and enforceability of any other remaining provisions.


The obligations and liabilities of the parties incurred prior to the termination date will survive the termination of this agreement for all purposes. These Terms of Service are effective unless and until terminated by either you or us. You may terminate these Terms of Service at any time by notifying us that you no longer wish to use our services, or by ceasing to use our site.

We may terminate this agreement at any time without notice if, in our sole judgment, you fail or we suspect you have failed, to comply with any term or provision of these Terms of Service. In such a case, you will remain liable for all amounts due up to and including the date of termination; and we may deny you access to our services (or any part thereof).

Entire Agreement

Our failure to exercise or enforce any right or provision of these Terms of Service shall not constitute a waiver of such right or provision. These Terms of Service and any policies or operating rules posted by us on this site or in respect to the service constitute the entire agreement and understanding between you and us, and govern your use of the service. This supersedes any prior or contemporaneous agreements, communications, and proposals, whether oral or written, between you and us (including, but not limited to, any prior versions of the Terms of Service). Any ambiguities in the interpretation of these Terms of Service shall not be construed against the drafting party.

Governing Law

These Terms of Service and any separate agreements whereby we provide you services shall be governed by and construed in accordance with the laws of People's Republic of China.

Changes to Terms of Service

You can review the most current version of the Terms of Service at any time on this page. We reserve the right, at our sole discretion, to update, change, or replace any part of these Terms of Service by posting updates and changes to our website. It is your responsibility to check our website periodically for changes. Your continued use of or access to our website or the service following the posting of any changes to these Terms of Service constitutes acceptance of those changes.

Contact Information

For any questions regarding the Terms of Service, please contact us at