Welcome to DHUA (“we,” “us,” or “our”). This Privacy Policy explains how DongHua Optoelectronics Technology Co., Ltd collects, uses, discloses, and protects information when you visit www.china-acrylicmirror.com (the “Website”), contact us, submit an inquiry, subscribe to updates, or otherwise interact with our services.

By using this Website, you acknowledge that you have read and understood this Privacy Policy.

Who We Are

Website Name: DHUA

Company Name: DongHua Optoelectronics Technology Co., Ltd

Website: www.china-acrylicmirror.com

Contact Email: nora@pmma.hk

Location: Guangdong, China

Information We Collect

We may collect the following categories of information.

Information You Provide Directly

When you contact us or use our forms, we may collect information such as:

• Name

• Email address

• Phone number or WhatsApp number

• Company name

• Inquiry details

• Form submission content

• Any other information you choose to provide in your message

Information Collected Automatically

When you visit our Website, we may automatically collect certain technical information, including:

• IP address

• Browser type and version

• Device and system information

• Referring pages and browsing behavior

• Approximate geographic information derived from technical data

• Analytics and interaction data collected through website measurement tools

Subscription and Communication Information

If you subscribe to our emails or communicate with us through chat or contact tools, we may collect your contact details and communication history for follow-up and support purposes.

How We Collect Information

We collect information through the following channels:

Contact and Inquiry Forms

When you submit a contact form or inquiry form, we collect the information you enter so that we can respond to your request.

Email Subscriptions

When you subscribe to receive updates or marketing messages, we collect the contact details you submit for that purpose.

Online Chat Tools

If you use an online chat feature on our Website, we may collect the information you provide during the conversation, along with limited technical data related to the session.

Analytics and Advertising Tools

We may use analytics and advertising tools to understand Website traffic, measure campaign performance, and improve user experience.

How We Use Your Information

We may use your information for the following purposes:

To Respond to Inquiries

We use submitted contact and inquiry information to answer questions, provide quotations, and follow up on product or business requests.

To Improve Website Performance and User Experience

We use technical and usage data to analyze how visitors interact with the Website and to improve its content, structure, and functionality.

To Measure Website Traffic and Performance

We use analytics tools to better understand visitor activity, page performance, and general traffic trends.

For Advertising and Marketing Purposes

We may use collected information, including technical identifiers and interaction data, to measure advertising effectiveness, improve marketing campaigns, and display more relevant promotional content where permitted by applicable law.

Third-Party Services We Use

We may use third-party tools and service providers to operate, maintain, analyze, and promote the Website. Based on the information you provided, these may include:

• Google Analytics

• Google Search Console

• Google Ads

• Meta Pixel

• Microsoft Clarity

• WPForms

• Online chat tools

• CDN services

• Map services

These third parties may process limited personal data or technical data on our behalf or in connection with the services they provide.

Cookies and Similar Technologies

We use a consent notice or consent management mechanism on the Website.

Although we do not intend to state that we use non-essential cookies for our own standalone purposes, some third-party services integrated into the Website, such as analytics, advertising, chat, map, or content delivery services, may use cookies or similar tracking technologies to function, remember preferences, measure performance, or support advertising activities.

You may be able to control cookies through:

• our cookie banner or consent tool, where available;

• your browser settings; and

• platform-specific privacy or ad preference controls offered by third-party providers.

Disabling certain technologies may affect some Website features or functionality.

How We Share Information

We do not sell or rent your personal information.

We may disclose information only in the following limited situations:

Service Providers

We may share necessary information with trusted service providers that help us operate the Website, such as form providers, analytics providers, advertising platforms, chat tools, CDN providers, or map services.

Legal Requirements

We may disclose information if required to do so by law, regulation, legal process, or a valid governmental request.

Business Protection

We may disclose information when reasonably necessary to protect our rights, property, Website security, users, or business operations.

International Data Transfers

Because we are based in China and may use third-party service providers in other countries or regions, your information may be processed, transferred to, or stored outside your country of residence.

Where required by applicable law, we will take reasonable steps to ensure that such transfers are handled in accordance with appropriate privacy and data protection requirements.

Data Retention

We retain personal information only for as long as reasonably necessary to:

• respond to your inquiry;

• provide requested information or services;

• maintain business and communication records;

• comply with legal, accounting, or regulatory obligations; and

• resolve disputes or enforce our rights.

When personal information is no longer needed, we will take reasonable steps to delete, anonymize, or securely store it in accordance with applicable law and operational requirements.

Data Security

We take reasonable administrative, technical, and organizational measures to protect personal information against unauthorized access, loss, misuse, alteration, or disclosure.

However, no method of transmission over the internet or method of electronic storage is completely secure. Therefore, we cannot guarantee absolute security.

Your Privacy Rights

Depending on your location and the laws that apply to you, you may have certain rights regarding your personal information, including the right to:

• request access to the personal information we hold about you;

• request correction of inaccurate or incomplete information;

• request deletion of your personal information;

• object to or restrict certain processing activities;

• withdraw consent where processing is based on consent;

• unsubscribe from marketing communications at any time; and

• manage cookies or similar technologies through available controls

To exercise any of these rights, please contact us at nora@pmma.hk.

We may need to verify your identity before responding to certain requests.

Marketing Communications

If you subscribe to receive marketing or promotional emails from us, you may opt out at any time by using the unsubscribe method included in the message, where available, or by contacting us directly at nora@pmma.hk.

Please note that even if you opt out of marketing messages, we may still send you service-related or inquiry-related communications where necessary.

Children’s Privacy

This Website is not intended for children, and we do not knowingly collect personal information from children.

If you believe that a child has provided personal information through our Website, please contact us. We will take reasonable steps to review and delete the information where appropriate.

Third-Party Links

Our Website may contain links to third-party websites or services. We are not responsible for the privacy practices, content, or security of those third-party sites. We encourage users to review the privacy policies of any external websites they visit.

Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our business, Website features, legal requirements, or privacy practices.

Any updated version will be posted on this page with a revised “Last Updated” date.

Contact Us

If you have any questions, requests, or concerns about this Privacy Policy or our handling of personal information, please contact us at:

DongHua Optoelectronics Technology Co., Ltd

Email: nora@pmma.hk

Website: www.china-acrylicmirror.com

Location: Guangdong, China