求翻译，下面那段话的意思是付了款再电放还是电放了再付款呢

we would like to place the first down payment as always been to initiate the order, however arrange the final payment once goods arrive to la port against your telex release. we believe that it will ensure a flawless release of orders to port of origin and at the same time allow us to arrange the payment to be delivered to your company by the time goods arrive to la port.