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Attending events like the SNEC PV Power Expo in Shanghai or the Canton Fair allows for direct factory vetting. 3. Pricing and Logistics
Ensure panels have IEC 61215 (design) and IEC 61730 (safety). For the U.S. market, UL 61730 or UL 1703 is mandatory. buy solar panels wholesale china
Be aware of regional trade policies; for instance, the U.S. has specific HTS codes (starting with 8541) and potential anti-dumping duties that can significantly increase the "landed cost". 4. Quality Control & Payment Attending events like the SNEC PV Power Expo
LONGi Solar , JinkoSolar , Trina Solar, and JA Solar consistently lead in shipment volume and efficiency. For the U
A 40-foot High Cube container (holding ~800–1,000 panels) typically costs $3,500–$7,500 for sea freight, depending on the destination.
Tongwei Solar dominates polysilicon and cell production, often providing highly competitive pricing due to deep vertical integration. 2. Sourcing Platforms & Verification
Always request quotes on a $/Watt basis to standardize comparisons across different panel sizes.