Last Updated: January 15, 2026
Liuyang Chengjin 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 chengjinco.com, use our mobile applications, or engage with our services.
We may collect personal information that you voluntarily provide to us when you:
This information may include:
When you visit our website or use our mobile applications, we automatically collect certain information, including:
We use the information we collect for the following purposes:
If you are located in the European Economic Area (EEA), we process your personal data in accordance with the General Data Protection Regulation (GDPR).
We process your personal data under the following legal bases:
If you are an EU resident, you have the following rights:
To exercise these rights, contact us at: support@chengjinco.com
If we transfer your data outside the EEA, we ensure appropriate safeguards are in place, including:
If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA) and the California Privacy Rights Act (CPRA).
| Category | Examples | Collected |
|---|---|---|
| Identifiers | Name, email, IP address, device IDs | Yes |
| Commercial Information | Order history, transaction records | Yes |
| Internet Activity | Browsing history, interactions with our apps | Yes |
| Device Information | Hardware type, operating system | Yes |
| Location Data | General geographic location | Yes |
California residents have the right to opt-out of the sale of their personal information. To exercise this right, please contact us at support@chengjinco.com with the subject line "California Privacy Rights Request."
We are committed to protecting children's privacy and comply with the Children's Online Privacy Protection Act (COPPA).
Our services are not intended for children under the following ages:
We do not knowingly collect personal information from children under the applicable age limit. If we become aware that we have collected data from a child under the relevant age, we will:
If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately at support@chengjinco.com.
Our mobile applications integrate with various advertising platforms to provide free or low-cost services while generating revenue. These platforms may collect and use data according to their own privacy policies. The advertising platforms we work with include:
Our applications may display the following types of advertisements:
Advertising platforms may collect and use:
You may control ad personalization through:
Our apps may include third-party software development kits (SDKs) from advertising partners. These SDKs may access and collect data as described in their respective privacy policies. We encourage you to review the privacy policies of these third parties.
We implement appropriate technical and organizational security measures to protect your personal information, including:
We retain your personal information for as long as necessary to fulfill the purposes outlined in this policy, unless a longer retention period is required by law. The retention period depends on:
Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. When we transfer data internationally, we ensure appropriate safeguards are in place, including:
For UK residents, data protection is governed by the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018. You have similar rights as described in Section 3.2.
For Canadian residents, we comply with the Personal Information Protection and Electronic Documents Act (PIPEDA). You have the right to access your personal information and request corrections.
For Australian residents, we comply with the Australian Privacy Principles (APPs) under the Privacy Act 1988. You have the right to request access to and correction of your personal information.
For Brazilian residents, we comply with the Lei Geral de Proteção de Dados (LGPD). You have rights including access, correction, deletion, and portability of your personal data.
For Japanese residents, we comply with the Act on Protection of Personal Information (APPI). You have rights to disclosure, correction, and cessation of use of your personal information.
For South Korean residents, we comply with the Personal Information Protection Act (PIPA). You have rights to access, correct, delete, and suspend processing of your personal data.
For Chinese residents, we comply with the Personal Information Protection Law (PIPL). Data transfers outside China are handled in accordance with PIPL requirements.
You can manage cookie preferences through:
You can opt out of marketing communications by:
You may request deletion of your account and associated data by contacting us. We will process such requests within 30 days, subject to legal retention requirements.
We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of material changes by:
If you have questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:
Liuyang Chengjin Trading Co., Ltd.
No.75, Qiaotou Group, Xianzhou Village, Gugang Town
Liuyang, Changsha, 410000
China
Email: support@chengjinco.com
Business Development: fengwencheng@chengjinco.com
For EU/EEA inquiries, you may also contact our Data Protection Officer at dpo@chengjinco.com.
You have the right to lodge a complaint with a supervisory authority if you believe our processing of your personal data violates applicable laws. For EU residents, you can contact your local data protection authority.
This Privacy Policy is comprehensive and covers our data practices across all regions and services. For specific inquiries about your jurisdiction's requirements, please contact us.