请帮忙看看你这句话应该怎么用英文表达得清楚?

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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