Data Protection & Proprietary CAD Security Standards

1 Introduction & Scope

This Privacy Policy explains how 8btm.com (8btm.com), operated by ZHILEI ("we", "us", or "our"), collects, utilizes, discloses, and safeguards personal information and proprietary engineering data when you access our global marketplace, utilize our quoting engines, or transact across our international platform.

We adhere strictly to international data privacy regulations, including the General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA), and international cross-border data transfer security standards.

2 Information We Collect

Personal Credentials

Full name, enterprise registration, corporate email address, contact numbers, and verified billing/shipping addresses.

Technical Drawings & CAD

Uploaded STEP, STL, DXF, and PDF engineering blueprints, material specifications, and tolerance criteria.

Transaction & Device Logs

Escrow transaction IDs, customs documentation, IP addresses, browser fingerprinting, and session analytics.

3 Confidentiality of Client Engineering Data & CAD Files

Zero Unauthorized CAD Use Guarantee

Your uploaded 3D CAD models, schematics, and mechanical designs remain your exclusive intellectual property. We implement automated multi-tenant encryption (AES-256) and strict air-gapping. CAD files are shared only with the specific fabrication workshop assigned to execute your order under an enforceable multilateral Non-Disclosure Agreement (NDA). We never use client drawings to train public AI models or market secondary parts.

4 How We Use Your Personal Data

Order Execution & Fabrication: Sharing dimensional specifications with certified workshop managers to fulfill precision orders.
Customs Clearance & Logistics: Transmitting export/import declarations to air/sea freight carriers and national customs agencies.
Escrow Payment Security: Preventing fraud, verifying payment authenticity via PayPal and banking networks, and complying with anti-money laundering (AML) laws.
Technical Support & Dispute Arbitration: Conducting dimensional audits and dispute resolutions in cases of engineering tolerance disagreements.

5 Your Legal Rights (GDPR & CCPA)

User Right	Description	Exercise Channel
Right to Access	Request a complete copy of all personal records and historical transaction logs held by 8btm.com.	Account Settings / DPO Request
Right to Erasure ("Forgotten")	Request permanent deletion of your profile, order history, and uploaded CAD files.	Email: privacy@8btm.com
Right to Rectification	Correct inaccurate corporate registration, tax ID, or shipping coordinates.	Immediate In-App Profile Update
CAD Purge Protocol	Immediate physical wipe of technical drawings from workshop cache upon order completion.	Automatic 30-Day Auto-Purge

6 Data Protection Officer (DPO) Contact

If you have questions regarding our data privacy architecture or wish to submit a statutory data subject request, please reach out directly to our Data Protection Officer:

Email: privacy@8btm.com | Attention: Legal & Compliance Department, 8btm.com Global Trade Network.
Response timeframe: Within 72 business hours in accordance with GDPR Article 12 guidelines.