Tier 1 brand and OEM 320w 330w 340w high effeiciency solar panel Material: Monocrystalline Silicon Max. Power: 320w 330w 340w Number of Cells: 60(6*10)pcs Shipping: Support Express: Sea freight ,Land freight , Air freight Lead Time: Quantity(Watts) 1 - 10000 10001 - 1000000 1000001 - 10000000 >10000000 Est. Time(days) 5 10 15 Negotiable