Privacy Policy
Effective Date:
1. Who We Are
Shanghai DaZhang Filtration Equipment Co., Ltd. (hereinafter “we”, “us”, or “our”) operates the official website dazhang.co. Our company is registered and located in Shanghai, China. This Privacy Policy sets out how we collect, use, store and protect your personal data when you browse our website or submit an inquiry via our contact form.
2. What Personal Data We Collect
We only collect information you voluntarily submit, together with standard technical data automatically recorded during your visit:
- Last name – used for proper salutation and communication.
- Email address – used exclusively for replying to your inquiries and business communication.
- Inquiry content – the messages, questions and business demands you send through our website form.
- IP address – automatically collected for website security maintenance and visitor data analysis.
- Cookies – deployed only for Google Analytics website traffic analysis.
We do not request or process any sensitive personal data. We will never collect your first name, phone number, residential address, payment details, identity documents or any other private sensitive information.
3. How We Collect Data
- Direct collection: Personal information is obtained when you actively fill out and submit the inquiry or contact form on our website, with GDPR compliant consent confirmed in the form submission.
- Automatic collection: Technical data including IP address is recorded through server logs; limited Cookies are loaded via Google Analytics for website statistics.
4. Purposes and Legal Bases
We process your personal data strictly for the following legitimate purposes with corresponding legal bases:
| Purpose | Legal Basis |
|---|---|
| Responding to your business inquiries via email or official communication channels | Legitimate interest / Consent confirmed by form submission |
| Website optimization and visitor trend analysis | User consent for analytical Cookies |
| Website security maintenance and fraud risk prevention | Legitimate interest |
You have the right to withdraw your consent to analytical Cookies at any time by adjusting your browser Cookie settings.
5. Sharing Your Data
We do not sell, rent, trade or disclose your personal data to any third parties for commercial purposes. We only share necessary data within a limited scope as below:
- Google LLC: For supporting Google Analytics website traffic analysis, data may be transferred in compliance with standard contractual clauses.
- Authorized third-party service providers: Such as website hosting suppliers, bound by formal confidentiality agreements and only for normal website operation.
We will never share your personal data with marketing agencies, advertising platforms or data brokers.
6. Data Retention
- Inquiry information including last name, email, inquiry content and IP address will be retained for 12 months counted from the last business communication, then permanently deleted or anonymized.
- Google Analytics statistical data is retained for 26 months in accordance with official analytics rules.
- IP addresses recorded in server logs are kept for 90 days only for security maintenance, then cleared automatically.
7. Your Legal Rights (GDPR)
If you are located within the European Economic Area, you enjoy the following rights regarding your personal data:
- Access, rectification and erasure of your personal data
- Objection to or restriction of data processing
- Right to data portability
- Right to withdraw Cookie consent at any time
- Right to lodge a complaint with local data supervisory authorities
You may contact us via our dedicated privacy contact channel to exercise your rights, and we will respond within 30 days.
8. International Data Transfers
Website data and visitor information are stored on overseas professional cloud servers. Inquiry data may be accessed by our professional team in China. By browsing and using this website, you acknowledge and agree that your personal data may be transferred and stored outside your residential country or region.
9. Children’s Privacy
Our website is a B2B industrial equipment platform, not targeted at users under the age of 16. We do not intentionally collect any personal information from minors.
10. Cookies Policy Cookie
10.1 What Are Cookies
Cookies are small text files stored on your computer, tablet or mobile device when you visit a website. They can recognize your device and record basic visiting behavior to optimize your browsing experience.
10.2 How We Use Cookies Cookie
We only deploy Cookies for Google Analytics web analytics service, to analyze visitor volume, browsing pages, site dwell time and traffic sources.
We do not use Cookies for language switching, user login system, live chat plugin, advertising retargeting or cross-site user tracking.
10.3 Types of Cookies We Use
| Cookie Name | Purpose | Expiry Period |
|---|---|---|
| _ga | Generate unique visitor ID for statistics | 2 Years |
| _gid | Distinguish independent visitors | 24 Hours |
| _gat | Limit Google Analytics request frequency | 1 Minute |
10.4 Consent and Cookie Control
A Cookie consent banner will pop up on your first visit to our website. You may choose to accept or decline analytical Cookies. Declining will not affect normal browsing and form submission on our site.
10.5 Google Analytics Data Processing
We have enabled IP anonymization in Google Analytics. Your IP address will be truncated before transmission, and will not be associated with other user data by Google.
10.6 Third-Party Cookies
Apart from Google Analytics, we do not embed any social media plugins, embedded videos or advertising tracking codes. No other third-party Cookies will be placed on your device.
11. Policy Updates
We reserve the right to update this Privacy Policy from time to time. The Effective Date published at the top represents the latest revised version. Continued use of the website after updates constitutes your acceptance of the revised policy.
Contact Information
Company Name: Shanghai DaZhang Filtration Equipment Co., Ltd.
Effective Date:
__________
Privacy & Cookie Enquiry Email:
__________
Registered Company Address:
4567 Hangtang Highway, Fengcheng Town, Fengxian District, Shanghai, China
Server Storage Location:
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