Privacy Policy
Last Updated: June 2026
Data Controller: Shandong Donglong Transmission Equipment Co., Ltd.
1. Introduction & Scope
Shandong Donglong Transmission Equipment Co., Ltd. (“we”, “us”, “our”), established in 2010 in Shandong, China, is a professional manufacturer of conveyor belts, complete conveyor systems and conveyor spare parts. This Privacy Policy applies to all personal information collected from visitors, prospective buyers, distributors and partners accessing our official website, submitting inquiry forms, email or WhatsApp consultations and conducting offline business cooperation.
By browsing our website and submitting personal information for quotation, technical consultation or order cooperation, you acknowledge acceptance of data collection practices set out below. If you disagree with this policy, please cease website access and refrain from providing any personal data. This document complies with EU GDPR, UK GDPR, California CCPA and China PIPL (Personal Information Protection Law). We do not implement automated individual decision-making or user profiling based on collected personal data.
2. Personal Data We Collect
2.1 Voluntarily Submitted Information
Full name, corporate entity name, email address, telephone/WhatsApp number, country of origin, industry classification (mining, food processing, port, logistics etc.), project specifications, required conveyor model parameters, delivery address and order-related commercial details.
2.2 Automatically Collected Technical Data
IP address, browser version, device operating system, access timestamp, referral source, page browsing history covering conveyor belts, conveyor systems and conveyor components, and website dwell time.
We never collect sensitive personal data such as identity documents, bank information or health details without your explicit written consent.
3. Legal Basis and Processing Purpose
We process your personal data relying on lawful bases including consent, performance of sales contract and legitimate business interest for the below purposes:
- Respond to your quotation requests, custom conveyor design and technical support for belts, modular chains and complete conveyor production lines;
- Process order confirmation, production arrangement, shipment coordination and after-sales maintenance upon formal purchase;
- Send periodic product updates and industry information via email or WhatsApp, with free opt-out available anytime;
- Optimize website layout and product display using anonymized browsing statistics;
- Fulfil statutory obligations including tax filing and cross-border trade documentation as required by applicable laws.
4. Third-Party Disclosure & Cross-Border Data Transfer
We never sell, rent or trade your personal data to unrelated third-party marketing agencies. Limited information sharing only occurs:
- With authorized service providers including cloud server operators, Google Analytics and appointed international freight forwarders (shipping address shared solely for completed orders);
- When legally compelled by court, customs or official regulatory authorities.
Your contact data may be stored on compliant overseas cloud servers for global client service. We execute formal data protection agreements with overseas processors to guarantee equivalent data protection standards per relevant regulations.
5. Data Retention Period
- Unordered inquiry data: stored for maximum 3 years after latest communication then anonymized or permanently erased;
- Formal customer order data: retained for 7 years in compliance with China tax and international trade legal requirements; personal identifiers removed after retention expiry;
- Marketing contact information: kept until your formal unsubscribe notification sent to sale@dlte.cn.
6. Data Security
We deploy SSL website encryption, server firewall and tiered internal staff access permission management; all internal employees sign non-disclosure agreements to prevent unauthorized data leakage. In case of unexpected data breach, we shall notify affected users and relevant regulators following statutory timelines.
7. Policy Revision
We reserve the right to amend this policy in accordance with updated legislation or business adjustment. Revised content will be published on this page with updated effective date; continued website usage constitutes your acceptance of revised terms.
8. Privacy Enquiry Contact
Email: sale@dlte.cn
WhatsApp: +86 13573105887
