Privacy Policy and Cookie Statement
Last updated: May 20, 2026
1. Introduction
Welcome to the "Precision Tech Co., Ltd." Technical Document Center (hereinafter referred to as "the Site"). We highly value your privacy and are committed to protecting your personal data. This Privacy Policy explains how we collect, process, use, protect your personal data, and the rights you hold.
2. Personal Data We Collect
When you visit or use our services, we may collect the following personal data to the extent necessary: 1. **Account and Authentication Information**: When you log in via third-party providers (Google, LINE, Microsoft 365), we collect your name, email address, and profile picture authorized by you. 2. **Usage Tracking**: Once logged in, the system records your page view history (paths, time, and email) and CAD/PDF download history. These logs are used to prevent malicious scraping, enforce daily download limits, and calculate lead scores for better service. 3. **AI Assistant Logs**: When you use our AI consulting features, we record the questions you enter and the system's answers to improve quality. 4. **Browser Cookies**: We use cookies to maintain your login session and preferences.
3. Purposes of Data Processing
We collect and process your personal data for the following purposes: 1. Verifying member identity and managing access control. 2. Providing and maintaining technical documentation and AI chat support services. 3. Enforcing daily download quota limits. 4. Analyzing user interests in specific product series for internal lead scoring and customized technical support. 5. Monitoring Google Ads campaigns (non-personally identifiable behavioral metrics via gtag.js).
4. Cookie Policy
We use cookies and similar technologies to enhance your experience: 1. **Necessary and Functional Cookies**: We use encrypted cookies (e.g., `auth_token`, `perm_cache`, `auth_user`) to keep you logged in. These are essential for core site functionality. 2. **Third-Party Tracking Cookies**: We integrate Google Ads tracking, which sets cookies on your browser to measure campaign performance. You can disable or manage cookies via your browser settings at any time.
5. Data Security and Storage
1. Your personal data is securely stored in our Cloudflare D1 database. We implement industry-standard security measures (including SSL/TLS transmission encryption) to safeguard your data. 2. We never sell, rent, or share your personal data with unrelated third parties, except as required by law.
6. Your Rights
You have the following rights regarding your personal data: 1. Requesting access to or copies of your personal data. 2. Requesting correction or supplementation. 3. Requesting cessation of collection, processing, or usage. 4. Requesting deletion of your data. To exercise these rights, or if you have questions, please contact us via email at: **sales@eb-system.com**.