... : we can produce solar panel with customer’s brand if authorized. Monocrystalline/polycrystalline solar panels:1) Mono ... CE, IEC,TUV.8) Packing method: carton, wooden case, pallet. The more information of the 300w solar panels as below:Main products: solar cell, solar panel, solar ... % and 20years 85% for solar panels, 1year for solar systemsOEM order: welcomedCertificate: CE,TUV, UL etc.Package: carton, ...