... if you buy from us you deal with not just a seller; the whole technical team is behind you ... , the rest payment paying after received B/L copy. Or Alibaba Escrow, (similar like Paypal, paying ... to Alibaba overseas bank, once you received B/L copy, release the money, 100% safety protect our customer ... cargos and shipping on time, providing B/L copy, insurance copy, test report, packing list, Invoice to you ...