... is 16%-18.5%. All material certificate by TUV IEC test, meet the solar panel 25 years at outdoor performance. ... prepare the cargos and shipping on time, providing B/L copy, insurance copy, test report, packing list, Invoice to you by E-mail ... received all documents (B/L copy, insurance copy, test report, packing list, Invoice) . 6, we send the original B/L, insurance, test report, packing list, Invoice ...