Lin: Hello, this is Lin from A company. A week ago, we delivered some materials to your company, and these have been accepted. When will you pay us the progress payment?

　　Liu: Have you submit the invoice? After we receive the invoice, and check with the contract department to verify the amount, we'll process payment.

　　林：你好，我是A公司的林先生。上个星期， 我们送了一批材料到贵公司，并且已经验收完毕。请问贵公司什么时候付给我们进度款？

　　刘：你们已经把发票给我们公司了吗？ 我们收到发票，并且和合同部都确认无误后，就会很快付款的。