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Last Updated: October 11, 2025
Effective Date: October 11, 2025
Welcome to Shanghai GreatWay Welding Equipment Co., Ltd. ("we", "us", "our", or "the Company"). We operate the mobile application G-Weld and the website guangwei-china.com (collectively, the "Services").
We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, disclose, and protect your information when you access or use our Services.
By using our Services, you agree to the collection and use of your information in accordance with this policy. If you do not agree, please discontinue use.
1. Information We Collect
We collect the following types of information to provide and improve our Services:
a) Account Information
If you create an account, we may collect:
- Email address
- Username
- Telephone Number
- Password (stored securely using encryption)
b) Device and Usage Data
Automatically collected when you use our Services:
- Device model, operating system, and unique identifiers (e.g., IDFA, Android ID)
- IP address, browser type, and language settings
- App usage patterns (e.g., features used, session duration, crash logs)
- Website visit data (pages viewed, referral sources, time spent)
c) Content and File Data
Our app is a productivity tool. We may temporarily process:
- Files you upload for conversion, editing, or analysis (e.g., documents, images)
We do not store your file content after processing unless you save it to your account. No content is used for advertising or shared with third parties.
d) Permissions (Mobile App Only)
We only request permissions when necessary, and only with your consent:
- Storage/Photos: To save or open files on your device.
- Location (Optional): Only if required by a specific feature (e.g., time zone detection). You can disable this at any time in device settings.
2. How We Use Your Information
We use your data to:
- Provide, maintain, and improve the functionality of our Services;
- Personalize your experience (e.g., remember preferences);
- Analyze usage to optimize performance and fix bugs;
- Respond to your support requests;
- Send service-related notifications (e.g., updates, security alerts);
- Comply with legal and regulatory obligations.
We do not use your personal data for behavioral advertising unless you explicitly opt in.
3. Legal Basis for Processing (GDPR)
If you are located in the European Economic Area (EEA), the UK, or Switzerland, we rely on the following legal bases under the GDPR:
- Performance of a contract: To deliver the Services you use.
- Legitimate interests: For service improvement, security, and analytics.
- Consent: For non-essential processing (e.g., marketing emails). You may withdraw consent at any time.
4. Data Sharing and Disclosure
We do not sell or rent your personal data. We may share information with:
- Service Providers: Trusted partners for hosting (e.g., AWS), analytics (e.g., Google Analytics, Firebase), crash reporting (e.g., Sentry), and customer support. These providers are contractually obligated to protect your data.
- Legal & Safety: To comply with laws, respond to lawful requests, or protect our rights, users, or the public.
- Business Transfers: In the event of a merger, acquisition, or sale of assets, we will notify users and ensure data protection continues.
5. International Data Transfers
Your information may be transferred to, stored, and processed in countries outside your own, including the United States and China. We ensure appropriate safeguards are in place, such as the EU-U.S. Data Privacy Framework (DPF) and Standard Contractual Clauses (SCCs), to protect your data in accordance with applicable laws.
6. Data Retention
We retain your personal data only as long as necessary:
- Account data: Until you delete your account or after 2 years of inactivity.
- Usage logs: Up to 12 months for analytics and security.
- Processed file content: Not stored after processing (unless saved to your account).
When no longer needed, we securely delete or anonymize your data.
7. Your Rights
Depending on your location, you may have the right to:
- Access, correct, or delete your personal data;
- Object to or restrict processing;
- Data portability (receive your data in a structured format);
- Withdraw consent;
- Opt out of data sales/sharing (under CCPA).
To exercise your rights, please contact us at privacy@guangwei-china.com. We will respond within 30 days.
You also have the right to file a complaint with your local data protection authority.
8. Security
We implement industry-standard security measures, including encryption (in transit and at rest), access controls, and regular audits, to protect your data. However, no online service is 100% secure, and we cannot guarantee absolute security.
9. Children’s Privacy
Our Services are not intended for individuals under 16 years of age. We do not knowingly collect personal data from children. If we become aware of such collection, we will take steps to delete the data.
10. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify users of significant changes via email or an in-app/website notice. Your continued use of the Services after such notice constitutes acceptance of the changes.
You can always find the latest version at: https://en.guangwei-china.com/privacy-policy.html
11. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:
Email: privacy@guangwei-china.com
Mail: No. 18, Lane 4916, Hongmei South Road, Minhang District, Shanghai, China
We are committed to resolving privacy-related complaints in a timely and fair manner.
This policy is written in English. In the event of any conflict with a translated version, the English version shall prevail.
Effective Date: October 11, 2025
Welcome to Shanghai GreatWay Welding Equipment Co., Ltd. ("we", "us", "our", or "the Company"). We operate the mobile application G-Weld and the website guangwei-china.com (collectively, the "Services").
We are committed to protecting your privacy and personal data. This Privacy Policy explains how we collect, use, disclose, and protect your information when you access or use our Services.
By using our Services, you agree to the collection and use of your information in accordance with this policy. If you do not agree, please discontinue use.
1. Information We Collect
We collect the following types of information to provide and improve our Services:
a) Account Information
If you create an account, we may collect:
- Email address
- Username
- Telephone Number
- Password (stored securely using encryption)
b) Device and Usage Data
Automatically collected when you use our Services:
- Device model, operating system, and unique identifiers (e.g., IDFA, Android ID)
- IP address, browser type, and language settings
- App usage patterns (e.g., features used, session duration, crash logs)
- Website visit data (pages viewed, referral sources, time spent)
c) Content and File Data
Our app is a productivity tool. We may temporarily process:
- Files you upload for conversion, editing, or analysis (e.g., documents, images)
We do not store your file content after processing unless you save it to your account. No content is used for advertising or shared with third parties.
d) Permissions (Mobile App Only)
We only request permissions when necessary, and only with your consent:
- Storage/Photos: To save or open files on your device.
- Location (Optional): Only if required by a specific feature (e.g., time zone detection). You can disable this at any time in device settings.
2. How We Use Your Information
We use your data to:
- Provide, maintain, and improve the functionality of our Services;
- Personalize your experience (e.g., remember preferences);
- Analyze usage to optimize performance and fix bugs;
- Respond to your support requests;
- Send service-related notifications (e.g., updates, security alerts);
- Comply with legal and regulatory obligations.
We do not use your personal data for behavioral advertising unless you explicitly opt in.
3. Legal Basis for Processing (GDPR)
If you are located in the European Economic Area (EEA), the UK, or Switzerland, we rely on the following legal bases under the GDPR:
- Performance of a contract: To deliver the Services you use.
- Legitimate interests: For service improvement, security, and analytics.
- Consent: For non-essential processing (e.g., marketing emails). You may withdraw consent at any time.
4. Data Sharing and Disclosure
We do not sell or rent your personal data. We may share information with:
- Service Providers: Trusted partners for hosting (e.g., AWS), analytics (e.g., Google Analytics, Firebase), crash reporting (e.g., Sentry), and customer support. These providers are contractually obligated to protect your data.
- Legal & Safety: To comply with laws, respond to lawful requests, or protect our rights, users, or the public.
- Business Transfers: In the event of a merger, acquisition, or sale of assets, we will notify users and ensure data protection continues.
5. International Data Transfers
Your information may be transferred to, stored, and processed in countries outside your own, including the United States and China. We ensure appropriate safeguards are in place, such as the EU-U.S. Data Privacy Framework (DPF) and Standard Contractual Clauses (SCCs), to protect your data in accordance with applicable laws.
6. Data Retention
We retain your personal data only as long as necessary:
- Account data: Until you delete your account or after 2 years of inactivity.
- Usage logs: Up to 12 months for analytics and security.
- Processed file content: Not stored after processing (unless saved to your account).
When no longer needed, we securely delete or anonymize your data.
7. Your Rights
Depending on your location, you may have the right to:
- Access, correct, or delete your personal data;
- Object to or restrict processing;
- Data portability (receive your data in a structured format);
- Withdraw consent;
- Opt out of data sales/sharing (under CCPA).
To exercise your rights, please contact us at privacy@guangwei-china.com. We will respond within 30 days.
You also have the right to file a complaint with your local data protection authority.
8. Security
We implement industry-standard security measures, including encryption (in transit and at rest), access controls, and regular audits, to protect your data. However, no online service is 100% secure, and we cannot guarantee absolute security.
9. Children’s Privacy
Our Services are not intended for individuals under 16 years of age. We do not knowingly collect personal data from children. If we become aware of such collection, we will take steps to delete the data.
10. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify users of significant changes via email or an in-app/website notice. Your continued use of the Services after such notice constitutes acceptance of the changes.
You can always find the latest version at: https://en.guangwei-china.com/privacy-policy.html
11. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or your personal data, please contact us:
Email: privacy@guangwei-china.com
Mail: No. 18, Lane 4916, Hongmei South Road, Minhang District, Shanghai, China
We are committed to resolving privacy-related complaints in a timely and fair manner.
This policy is written in English. In the event of any conflict with a translated version, the English version shall prevail.
