The buyer shoulid transfer in advance 30 % of the payment to the seller ' s named account , and the rest of the payment is to be made by confirmed , irrevocable , transferable and partible letter of credit at 30 days ' sight 买家在合同签定后即将30 %预付款转到卖家指定账户，尾款以保兑的，不可撤销的，可转让可分割的30天信用证形式支付。
