Ensure panels have IEC 61215 (design) and IEC 61730 (safety). For the U.S. market, UL 61730 or UL 1703 is mandatory.

A 40-foot High Cube container (holding ~800–1,000 panels) typically costs $3,500–$7,500 for sea freight, depending on the destination.

Hire a third-party agency (like TÜV Rheinland or CSA Group) to perform a pre-shipment inspection. Top 10 Solar Panel Manufacturers in China - Maple Sourcing