请帮忙看看你这句话应该怎么用英文表达得清楚?

问题描述:

请帮忙看看你这句话应该怎么用英文表达得清楚?
在这个订单下来之前,请先将之前相关产品的订单落实,并提供正式的PO,这样,我们才能接受新的订单.

Please make sure that all those goods in the former order (form) are settled purchase/ordering issue and offer us the formal PO before this order is signed,thus/therefore we could accept new ones/orders.
Pls be sure to settle ordering issue for those goods in the previous order and deliever/provide us with the formal PO ahead of signing of the present one,then new orders could be accepted in our company/firm.


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