Privacy Policy
Last Updated: October 10, 2026
11. Introduction
Welcome to dhocean.cn (hereinafter referred to as "we"). We deeply understand the importance of personal information to you and are committed to protecting your privacy and data security. This Privacy Policy aims to explain how we collect, use, store, and protect your information when you visit our official website, browse the new energy surge protective device (SPD) product catalog, use 3D model previews, download technical datasheets, or engage in business interactions with us.
22. Types of Information We Collect
To provide you with high-quality industrial product display and technical support services, we collect the following two categories of information:
Automatically Collected Browsing and Technical Data
Language and Session Preferences
The system automatically identifies and records your multilingual preferences through cookies (such as NEXT_LOCALE) to present the correct Chinese or foreign language interface.
Device and Log Information
When you visit the website, the server automatically records your IP address, browser type, operating system, access time, and browsed pages, which are used to optimize the website's CDN acceleration, response speed, and troubleshoot technical errors.
Information You Voluntarily Provide
When you contact us through website forms, inquiry channels, or official email (info@dhocean.cn), you may voluntarily provide your company name, personal name, work email, phone number, and specific project engineering requirements (such as wind power/photovoltaic SPD selection requirements).
33. Purposes of Information Use
We collect and use this information for the following purposes:
Core Service Provision
Support your multi-level category filtering, product performance comparison, specification queries, and 3D model interactive previews on the website.
Technical Document Delivery
When you request to download product datasheets or 3D rendering models (GLB files), we provide accurate download links and follow-up technical support.
User Experience and Multilingual Optimization
Based on your access patterns and language preferences, we continuously improve the website's UI interaction, product display structure, and content localization.
Business Communication
Respond to your business inquiries, sample applications, or technical cooperation consultations.
44. Information Storage and Security Assurance
We employ strict industry standards and secure encryption technologies (including HTTPS transmission encryption, secure backend databases, and strict server access permission controls) to prevent your personal data from unauthorized access, leakage, tampering, or loss.
Our Commitment: We will never sell, rent, or illegally transfer your personal information to any third party. Disclosure will only occur with your explicit authorization or when required by laws, regulations, or government regulatory mandates.