Privacy Policy

1. Introduction

Guangzhou Chengyin Trading Co., Ltd. ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website chengyintrad.com (the "Site") or use our mobile applications published on Google Play Store and Apple App Store (the "Apps").

Please read this Privacy Policy carefully. By accessing or using our Site and Apps, you acknowledge that you have read, understood, and agree to be bound by all the terms of this Privacy Policy. If you do not agree with the terms of this Privacy Policy, please do not access the Site or Apps.

Last Updated: June 17, 2026

2. Information We Collect

2.1 Personal Information

We may collect personal information that you voluntarily provide to us when you:

• Fill out contact forms on our website
• Subscribe to our newsletter
• Create an account in our mobile applications
• Make a purchase or transaction
• Contact us for support

This information may include:

• Name
• Email address
• Phone number
• Mailing address
• Company name
• Payment information
• Any other information you choose to provide

2.2 Automatically Collected Information

When you access our Site or Apps, we may automatically collect certain information, including:

• IP address
• Device type and identifiers
• Browser type and version
• Operating system
• Referring/exit pages
• Date and time of access
• Pages viewed and actions taken on the Site
• App usage data and crash reports

2.3 Mobile App Specific Information

Our mobile applications may collect additional information including:

• Location data (with your permission)
• Device sensors (accelerometer, gyroscope)
• Files stored on your device (with your permission)
• Camera and photo library access (with your permission)
• Push notification tokens

3. How We Use Your Information

We use the information we collect for the following purposes:

• To provide, operate, and maintain our Site and Apps
• To improve, personalize, and enhance user experience
• To process transactions and send related information
• To send promotional communications (with your consent)
• To send service-related announcements
• To respond to your comments, questions, and customer service requests
• To monitor and analyze usage patterns and trends
• To detect, prevent, and address technical issues
• To display relevant advertisements through advertising partners
• To comply with legal obligations

4. Disclosure of Your Information

We may share your information in the following situations:

4.1 Service Providers

We may share your information with third-party service providers who assist us in operating our business, including:

• Payment processors
• Cloud hosting providers
• Analytics services
• Customer service platforms
• Email marketing services

4.2 Advertising Partners

We may share certain device and usage information with our advertising partners to deliver relevant advertisements. Please see Section 8 below for detailed information about our advertising partners.

4.3 Business Transfers

If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

4.4 Legal Requirements

We may disclose your information if required to do so by law or in response to valid requests by public authorities.

5. Data Retention

We will retain your personal information only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use your information to the extent necessary to comply with our legal obligations, resolve disputes, and enforce our policies.

Retention periods will be determined taking into account the type of information collected and the purpose for which it is collected, bearing in mind the requirements applicable to the situation and the need to destroy outdated, unused information at the earliest reasonable time.

6. Security of Your Information

We implement appropriate technical and organizational security measures designed to protect the security of any personal information we process. However, please note that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

Our security measures include:

• Encryption of data in transit and at rest
• Regular security assessments and audits
• Access controls and authentication measures
• Employee training on data protection
• Incident response procedures

7. Children's Privacy (COPPA Compliance)

We are committed to protecting the privacy of children. Our Site and Apps are not intended for children under 13 years of age, and we do not knowingly collect personal information from children under 13.

Compliance with Children's Online Privacy Protection Act (COPPA):

• We do not knowingly collect personal information from children under 13 years of age
• If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately
• If we become aware that we have collected personal information from a child under 13 without verification of parental consent, we will take steps to remove that information from our servers
• We comply with all requirements of COPPA regarding the collection, use, and disclosure of personal information from children

For apps directed to children or that knowingly collect information from children under 13, we implement additional safeguards including:

• Obtaining verifiable parental consent before collecting personal information
• Providing parents access to their child's information
• Allowing parents to request deletion of their child's information
• Limiting data collection to what is necessary to participate in the activity

8. Advertising, Analytics, and Third-Party Services

Our mobile applications and website may include advertisements from third-party ad networks, publishers, and advertisers. We work with various advertising and analytics platforms to display relevant advertisements and to understand how users interact with our services.

8.1 Advertising Platforms We Use

We may integrate the following advertising and monetization platforms in our applications:

8.2 Types of Advertisements We Display

Our applications may display the following types of advertisements:

8.3 Advertising Platform Compliance

We ensure compliance with all advertising platform policies by:

• Only working with reputable, policy-compliant advertising networks
• Implementing proper consent mechanisms where required
• Ensuring advertisements are appropriate for all age audiences
• Regularly reviewing ad content for policy compliance
• Providing users with options to opt-out of personalized advertising where available
• Maintaining accurate ad targeting disclosures

8.4 Analytics Services

We may also use analytics services to understand how users interact with our apps:

• Google Analytics for Firebase
• Firebase Crashlytics
• Adjust
• AppsFlyer
• Branch
• Mixpanel

9. EU/EEA Users - GDPR Compliance

If you are located in the European Union (EU) or European Economic Area (EEA), the following provisions apply to you in addition to the other terms in this Privacy Policy.

9.1 Legal Basis for Processing

We process your personal information based on the following legal grounds:

• Consent: You have given clear consent for us to process your personal information for specific purposes
• Contract: Processing is necessary for a contract we have with you
• Legal Obligation: Processing is necessary for us to comply with the law
• Legitimate Interests: Processing is necessary for our legitimate interests or the legitimate interests of a third party, unless there is a good reason to protect your personal information which overrides those interests

9.2 Your Rights Under GDPR

You have the following rights regarding your personal data:

• Right of Access: Obtain confirmation of whether we process your personal data and access to your data
• Right to Rectification: Request correction of inaccurate personal data
• Right to Erasure: Request deletion of your personal data ("right to be forgotten")
• Right to Restrict Processing: Request limitation of processing activities
• Right to Data Portability: Receive your data in a structured, commonly used format
• Right to Object: Object to processing based on legitimate interests
• Right to Withdraw Consent: Withdraw consent at any time where processing is based on consent
• Right to Lodge Complaint: File a complaint with a supervisory authority

9.3 Data Protection Officer

For GDPR-related inquiries, please contact our Data Protection Officer at privacy@chengyintrad.com

9.4 International Data Transfers

Your information may be transferred to and processed in countries outside the EU/EEA. When we transfer personal data outside the EU/EEA, we ensure appropriate safeguards are in place, such as:

• Standard Contractual Clauses approved by the European Commission
• Binding Corporate Rules
• EU-U.S. Data Privacy Framework (where applicable)
• Other mechanisms as may be required by applicable law

10. California Residents - CCPA Compliance

If you are a California resident, you have specific rights under the California Consumer Privacy Act of 2018 (CCPA) and the California Privacy Rights Act (CPRA).

10.1 Your CCPA Rights

As a California resident, you have the right to:

• Know: Request disclosure of personal information collected, used, shared, or sold about you
• Delete: Request deletion of personal information we have collected
• Opt-Out: Opt-out of the sale or sharing of your personal information
• Non-Discrimination: Not be discriminated against for exercising your privacy rights
• Correct: Request correction of inaccurate personal information
• Limit Use: Limit the use of sensitive personal information

10.2 Categories of Personal Information

In the preceding 12 months, we may have collected the following categories of personal information:

• Identifiers (name, email, IP address, device ID)
• Commercial information (purchase history, transaction records)
• Internet/electronic activity (browsing history, app usage)
• Geolocation data
• Inferences from collected data (preferences, characteristics)

10.3 Do Not Sell or Share My Personal Information

We may share certain information with advertising partners, which may be considered a "sale" or "sharing" under CCPA. To opt-out of the sale or sharing of your personal information for targeted advertising purposes, please contact us at privacy@chengyintrad.com with the subject line "CCPA Opt-Out Request."

10.4 Shine the Light Law

California Civil Code Section 1798.83 permits California residents to request certain information regarding our disclosure of personal information to third parties for their direct marketing purposes. To make such a request, please contact us using the information provided below.

11. App Store Compliance (Apple)

Our applications published on the Apple App Store comply with Apple's App Store Review Guidelines and all applicable Apple developer policies.

11.1 Apple's Privacy Nutrition Labels

We accurately declare all data types collected in App Store Connect, including:

• Data used to track you
• Data linked to your identity
• Data not linked to your identity

11.2 App Tracking Transparency

Our iOS apps may request tracking permission through the App Tracking Transparency (ATT) framework. Users can choose whether to allow tracking, and we respect all user choices regarding tracking permissions.

11.3 Children's Apps (Apple)

If our apps are designed for children or collect data from children, we comply with Apple's guidelines for Family-Friendly apps, including:

• Not including third-party analytics or advertising SDKs that collect data from children
• Not displaying behavioral advertisements
• Obtaining verifiable parental consent where required
• Providing parental gates for certain features

12. Google Play Store Compliance

Our applications published on the Google Play Store comply with Google Play's Developer Program Policies and all applicable regulations.

12.1 Data Safety Section

We accurately complete the Data Safety form in Google Play Console, disclosing:

• Data types collected
• Purpose of data collection
• Whether data is shared with third parties
• Security practices employed
• User control options

12.2 Families Policy Compliance

For apps in the Designed for Families program or that may be used by children, we comply with Google Play's Families Policy by:

• Only using ad SDKs certified for use in children's apps
• Not collecting sensitive user data without consent
• Not displaying personalized ads to children
• Implementing age-appropriate protections

12.3 Advertising in Family Apps

If our apps are designated as family apps, we ensure that any advertising complies with Google's ad content ratings and restrictions for family-friendly apps.

13. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our website and store certain information. Cookies are files with a small amount of data which may include an anonymous unique identifier.

13.1 Types of Cookies We Use

• Essential Cookies: Required for the website to function properly
• Analytics Cookies: Help us understand how visitors interact with our website
• Advertising Cookies: Used to deliver relevant advertisements
• Functionality Cookies: Remember your preferences and settings

13.2 Managing Cookies

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our website.

14. Your Rights and Choices

Depending on your location, you may have certain rights regarding your personal information:

14.1 Marketing Communications

You can unsubscribe from promotional emails by clicking the "unsubscribe" link in those emails. You may still receive service-related communications.

14.2 Mobile App Permissions

You can manage app permissions through your device settings. Revoking permissions may affect certain app functionality.

14.3 Ad Personalization

You can opt-out of personalized advertising through the following mechanisms:

• Device-level ad personalization settings (iOS Privacy Settings, Google Ads Settings)
• Industry opt-out tools such as the Digital Advertising Alliance (DAA) opt-out page
• Mobile App Tracking Transparency settings (iOS)

15. International Users

Our Site and Apps are operated from China. If you are accessing from outside China, please note that we may transfer, store, and process your information in China and other countries. By using our services, you consent to such transfers in accordance with this Privacy Policy.

We ensure appropriate safeguards are in place for international data transfers in compliance with applicable data protection laws, including GDPR, UK GDPR, and other regional requirements.

16. Copyright and Intellectual Property

All content, features, and functionality of our Site and Apps, including but not limited to text, graphics, logos, icons, images, audio clips, digital downloads, data compilations, and software, are the property of Guangzhou Chengyin Trading Co., Ltd. or its licensors and are protected by international copyright, trademark, patent, and other intellectual property laws.

Users may not:

• Copy, reproduce, distribute, or create derivative works without our express permission
• Use our trademarks or service marks without authorization
• Remove or alter any copyright or proprietary notices
• Use automated tools to scrape or extract content from our services

If you believe your intellectual property rights have been violated, please contact us at copyright@chengyintrad.com.

17. Refund Policy

Our refund policy for purchases made through our mobile applications follows the refund policies of the respective app stores:

17.1 Google Play Store

Google Play purchases may be refunded within 48 hours if the request is made within this period under Google Play's standard refund policy. For subscriptions, you can cancel before the next billing date to avoid charges. Please visit play.google.com for more information.

17.2 Apple App Store

App Store purchases are governed by Apple's refund policy. Refund requests can be submitted through reportproblem.apple.com within a reasonable time frame. Apple reviews refund requests on a case-by-case basis.

17.3 Direct Purchases

For any direct purchases made through our services (not through app stores), please contact support@chengyintrad.com within 7 days of purchase to request a refund. Refunds are processed at our discretion.

18. Third-Party Links

Our Site and Apps may contain links to third-party websites, services, or applications that are not operated by us. We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services.

We encourage you to review the privacy policy of every site you visit. Any links to third-party sites do not imply endorsement by us of the linked site.

19. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

For significant changes, we will provide a more prominent notice, which may include email notification or a notice through our Apps. We encourage you to review this Privacy Policy periodically for any changes.

20. Contact Us

If you have any questions about this Privacy Policy, please contact us:

Guangzhou Chengyin Trading Co., Ltd.

Address:
Room 201, No.19, Qixin Road, Nanyong Village, Dongyong Town,
Nansha District, Guangzhou, 510000, CN

Business Inquiries:
support@chengyintrad.com

Enterprise Clients:
xuyijin@chengyintrad.com

Privacy Inquiries:
privacy@chengyintrad.com

Website:
chengyintrad.com