英语翻译我现在要给外国客人写这样一段话：我们希望能分2次付款.第一期：预付款为30%；第二期：加工完成并通过贵司检测后付清全部尾款70%.感激!感激!

we'd like to pay in two times.1st installment:30% paid in advance; 2nd installment:after finished goods being tested,we'll pay the rest which is 70%.