... in series, if you not sure what to do, just mail us.7. What is the Warranty Period, How many years? Power ... packing list, Invoice) . 6, we send the original B/L, insurance, test report, packing list, Invoice to you by DHL immediately. 7, Complete ... control before delivery. Product Assurance The BUREAU VERIFY (Great British) and Alibaba come to our manufactory to do the on-site inspection for our ...