We process payments in USD by default. Over 20 currencies supported through automatic conversion (EUR/GBP/JPY/AUD/CAD). Conversion rates update every 30 minutes.

Possible reasons: ① Cross-border processing fee (1.5-3%) by card issuers ② Local VAT/GST applied at checkout ③ Bank charges for international transfers

Tracking numbers auto-sent via SMS/email when shipped. Use our [Tracking Portal] or carrier's website.

We include: • Commercial Invoice (3 copies) • Packing List • Certificate of Origin • HS Code Declaration

Opened photovoltaic panels can be returned within 14 days if: ✓ No physical damage ✓ Protective film remains intact ✓ Original labels preserved

Register online within 30 days of delivery: 1. Scan QR code on product 2. Upload purchase invoice 3. Receive warranty certificate via email

All customer data is encrypted and stored in AWS EU (Frankfurt) servers, complying with GDPR Article 28 requirements.

Never. We strictly prohibit data commercialization under our.

Full compliance with: • CN: GB/T 9535, CQC Certification • EU: CE, TÜV Rheinland IEC 61215 • UL 1703 for North America

① Check holographic label on packaging ② Verify serial number at [Verification Portal] ③ Email to the verification address