Last Updated: [June 1, 2026]
Shenzhen AITA Technology Co., Ltd. ("AITA", "we", "us", or "our") operates the website www.cayuan.com (the "Site"). We are a manufacturer of Bluetooth headphones and earbuds serving international B2B customers through OEM and ODM services.
This Privacy Policy explains what personal information we collect, how we use and protect it, who we share it with, and what rights you have over it. It applies to visitors to our Site and to business contacts who communicate with us by email, contact form, or messaging applications.
By using our Site or contacting us, you agree to the practices described in this Policy.
Company details
Legal name: Shenzhen AITA Technology Co., Ltd. (深圳爱塔科技有限公司)
Registered address: [Xingtang 3rd lndustria zone,dakang Village,henggang,town Shenzhen,china.]
Contact email: [sft3234@cayuan.com 或 privacy@cayuan.com]
Telephone: 【+86 755-2863 0383】
When you submit an inquiry form, request a quotation or sample, send us an email, or contact us through a messaging application, we may collect:
Your name and job title
Company name, company website, and country or region
Business email address and telephone / WhatsApp number
The content of your inquiry, including product requirements, quantities, specifications, and any files you attach
Shipping and billing information where an order proceeds (company address, consignee details, tax registration number)
We only ask for information necessary to respond to your business inquiry. We do not request sensitive personal data such as government ID numbers, health information, or financial account credentials through our Site.
When you visit the Site, our servers and analytics tools may automatically record:
IP address and approximate geographic location (country/city level)
Browser type, device type, operating system, and screen resolution
Pages viewed, time spent on pages, referring URL, and exit pages
Date and time of access
We use cookies and similar technologies. See Section 5 for details.
We use the information we collect to:
Respond to your inquiries and provide quotations, product information, and samples
Process, manufacture, and ship orders, and provide after-sales support
Communicate with you about production status, shipping, and technical matters
Maintain business records required by accounting, customs, and tax regulations
Send product updates, new-model announcements, and trade show information where you have consented or where you are an existing business contact — you may opt out at any time
Analyze Site traffic to improve our content, product presentation, and user experience
Detect and prevent fraud, spam, and abuse of our Site and communication channels
Comply with applicable laws and respond to lawful requests from authorities
We do not sell your personal information to third parties.
If you are located in the European Economic Area or the United Kingdom, we process your personal data on the following legal bases:
Performance of a contract — to process your order, quotation, or sample request
Legitimate interests — to respond to business inquiries, maintain customer relationships, secure our systems, and improve our Site, balanced against your rights and expectations
Consent — for non-essential cookies and for marketing communications to new contacts; you may withdraw consent at any time
Legal obligation — to meet accounting, customs, export, and tax record-keeping requirements
We use the following categories of cookies:
| Category | Purpose | Can you disable it? |
|---|---|---|
| Strictly necessary | Site security, form submission, load balancing, language preference | No — the Site will not function correctly without them |
| Analytics | Understanding how visitors find and use our Site [Google Analytics] | Yes |
| Functional | Remembering your preferences and previously viewed products | Yes |
You can control or delete cookies through your browser settings. Disabling analytics and functional cookies will not prevent you from browsing the Site or contacting us.
We do not use cookies for cross-site advertising or behavioural retargeting.
6. How We Share Your Information
We share personal information only where necessary, and only with the following categories of recipients:
Logistics and freight forwarders — consignee name, address, and contact details, in order to arrange international shipment and customs clearance
Payment and banking institutions — where required to process payment for an order
Website hosting, email, and analytics service providers — who process data on our behalf under confidentiality obligations .
Messaging platform providers — including WhatsApp (see Section 7)
Professional advisers and government authorities — where required by law, court order, or to establish or defend legal claims
We require all service providers to process personal data only on our instructions and to maintain appropriate security measures. We do not permit them to use your data for their own marketing purposes.
We communicate with business customers via WhatsApp Business and other messaging applications .
When you message us on these platforms:
We receive your display name, phone number, profile photo (if public), and the content of your messages
We use this information solely to respond to your business inquiry and to manage the resulting order or relationship
We may store a record of the conversation in our internal customer records for the retention period described in Section 9
We initiate marketing or promotional messages only where you have opted in, and every such message includes a way to opt out
Messages sent through these platforms are also subject to the privacy policy of the platform provider. WhatsApp is operated by Meta Platforms, Inc.; please refer to WhatsApp's own privacy policy for how it handles your data.
If you wish to stop receiving messages from us on any channel, reply "STOP" or email us at sft3234@cayuan.com.
We are based in Shenzhen, China, and our business records are stored on servers located in China. Our customers are located worldwide, so information you provide will be transferred to and processed in China.
Where we transfer personal data from the EEA or the UK, we rely on appropriate safeguards including contractual commitments with our service providers requiring a standard of protection consistent with applicable data protection law. You may contact us for further information about these safeguards.
We retain personal information only as long as necessary for the purposes described in this Policy:
Inquiries that do not result in a transaction — 24 months from last contact, after which records are deleted or anonymized
Customer and order records — for the duration of the business relationship and for a further 10 years thereafter, to meet accounting, tax, customs, and product liability requirements under Chinese law
Website analytics data — 24 months
Marketing contact lists — until you unsubscribe or request deletion
We maintain technical and organizational measures appropriate to the nature of the data we hold, including HTTPS encryption across the entire Site, access controls limiting customer data to employees who need it for their work, two-factor authentication on business email and messaging accounts, and regular backups.
No method of transmission or storage is completely secure. If a breach affecting your personal data occurs, we will notify affected individuals and the relevant authorities where required by applicable law.
Depending on your location, you may have the right to:
Access — request a copy of the personal information we hold about you
Rectification — ask us to correct inaccurate or incomplete information
Erasure — ask us to delete your personal information, subject to our legal record-keeping obligations
Restriction and objection — ask us to limit or stop certain processing, including direct marketing
Portability — receive your data in a structured, commonly used format
Withdraw consent — where processing is based on consent, without affecting processing already carried out
Complain — lodge a complaint with your local data protection authority
To exercise any of these rights, email sft3234@cayuan.com with the subject line "Privacy Request". We will verify your identity and respond within 30 days. There is no charge for a reasonable request.
You can unsubscribe from our emails at any time using the unsubscribe link in any message, or by emailing us directly. Please note that even after unsubscribing, we will still send transactional messages relating to any active quotation, order, or shipment.
Our Site and products are directed at businesses, not at children. We do not knowingly collect personal information from anyone under 16 years of age. If you believe a child has provided us with personal information, please contact us and we will delete it.
Our Site may contain links to third-party websites, including trade platforms, social media pages, and partner sites. We are not responsible for the privacy practices of those sites. We encourage you to read their privacy policies before providing them with personal information.
We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. The "Last Updated" date at the top of this page indicates when it was last revised. Material changes will be announced on this page. We encourage you to review this Policy periodically.
If you have questions about this Privacy Policy or how we handle your personal information, please contact us:
Shenzhen AITA Technology Co., Ltd.Address: xingtang 3rd lndustria zone,dakang village,henggang,town shenzhen,China Email: sft3234@cayuna.com Telephone: +86 755-2863 0383 Website: https://www.cayuan.com