Terms of Service

Last updated: [5/13/2026 ]

These Terms of Service (“Terms”) govern your access to and use of the websites, platforms, products, and services provided by HONG KONG ZHANGHUII TECHNOLOGY LIMITED (“Company,” “we,” “us,” or “our”).

By accessing or using our services, you agree to these Terms. If you do not agree, please do not use our services.

1. Services

We provide advertising technology, digital marketing, programmatic advertising, campaign management, analytics, messaging, platform integration, and related technical services. Our services may include integrations with third-party platforms such as Meta, WhatsApp Business Platform, Google, TikTok,NewsBreak, SmartNews,Quora,and other advertising, analytics, or messaging platforms.

2. Customer Responsibilities

You are responsible for all advertising materials, landing pages, products, services, campaign settings, audience data, customer lists, conversion data, message templates, account information, and other information you provide to us or use through our services.

You represent and warrant that your content, data, campaigns, and use of our services comply with all applicable laws, regulations, industry rules, and third- party platform policies, and that you have all necessary rights, permissions, notices, and consents. 3. Third-Party Platforms Our services may depend on third-party platforms, APIs, advertising networks, messaging platforms, data partners, and technology providers. Your use of those platforms may be subject to their own terms, policies, review processes, fees, restrictions, and availability.

We are not responsible for any suspension, rejection, delay, outage, policy enforcement, billing decision, data restriction, or technical issue caused by a third-party platform.

4. Advertising Content and Campaigns

We may reject, suspend, remove, or refuse to support any content, campaign, message, account, integration, or activity that we believe violates applicable law, these Terms, our policies, or third-party platform policies.

You must not use our services for unlawful, misleading, fraudulent, infringing, harmful, discriminatory, malicious, or abusive activities. You must not submit ads, landing pages, messages, or data that contain malware, spyware, unauthorized tracking, prohibited products, deceptive claims, or content that violates third-party platform policies.

We do not guarantee that any advertisement, message template, account, business verification, app review, campaign, or integration will be approved by a third-party platform.

5. Data and Privacy

Our collection and use of personal information is described in our Privacy Policy.

You are responsible for providing all required notices and obtaining all required consents from end users, including for the use of cookies, pixels, APIs, customer lists, audience data, conversion data, messaging data, and other tracking, analytics, advertising, or messaging technologies.

You must not provide us with any data that you are not legally permitted to collect, use, share, or process.

6. Fees and Payment

You agree to pay all fees described in the applicable order, invoice, quotation, agreement, platform billing arrangement, or other written arrangement between you and us.

Advertising spend, media costs, third-party platform fees, and fees for services already performed are generally non-refundable unless otherwise agreed in writing. 7. No Performance Guarantee We may help plan, manage, optimize, or support advertising, marketing, messaging, and analytics activities, but we do not guarantee any specific number of impressions, clicks, leads, conversions, sales, revenue, return on investment, message deliveries, approvals, or other business results.

7. No Performance Guarantee

We may help plan, manage, optimize, or support advertising, marketing, messaging, and analytics activities, but we do not guarantee any specific number of impressions, clicks, leads, conversions, sales, revenue, return on investment, message deliveries, approvals, or other business results.

8. Intellectual Property

You retain ownership of the content, trademarks, logos, data, and materials you provide to us. You grant us a limited right to use them only as necessary to provide, support, and improve the services.

We retain all rights in our websites, platforms, software, technology, documentation, processes, systems, and materials.

9. Confidentiality

Each party may receive confidential business, technical, financial, or operational information from the other party. Each party agrees to use reasonable care to protect confidential information and to use it only for purposes related to the services.

10. Suspension and Termination

We may suspend or terminate your access to our services if you violate these Terms, fail to pay fees, misuse the services, provide inaccurate information, create legal or security risk, or violate applicable law or third-party platform policies.

11. Disclaimers and Limitation of Liability

Our services are provided on an “as is” and “as available” basis. To the maximum extent permitted by law, we disclaim all warranties, whether express or implied.

To the maximum extent permitted by law, we will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages, or for loss of profits, revenue, data, goodwill, or business opportunities.

12. Indemnification

You agree to defend, indemnify, and hold us harmless from claims, damages, liabilities, costs, and expenses arising from your content, data, campaigns, products, services, use of our services, violation of these Terms, violation of law, or violation of third-party platform policies.

13. Changes to These Terms

We may update these Terms from time to time. The updated version will be posted on this page with a new “Last updated” date. Your continued use of the services after an update means you accept the updated Terms. 14. Contact Us If you have any questions about these Terms, please contact us at: