商务英语翻译！

please scan the signed and stamped contract to us ,so we can remit the payment.

Please complete the agreement and stamp on it before you send us a scanned copy for payment.

Please make a contract, scan the stamped contract to us, so that we can make the payment.
或Please scan the finished and stamped contract to us to make the payment.

Please stamp the contract and fax to us , for the convenience of payment.

Would you please send our your contract for the payment after affixing your seal?