这些外贸英语如何翻译？多谢指教！

Your request of through the invoice of the consul attestation with certificate of origin, we pass together with the aviation bill of lading after hair goods the express delivery mail to you.
Because pass the consulate of the expensive country carry out to cover an expenses for the attestation needs USDs 120, your indent measures at the same time smaller, this expenses demand from your offering, please at telegraphic transfer payment with freight hour join this expenses.We receive your telegraphic transfer notifies, would immediately hair goods, and do in 3 work days a document for needing send to you.
Please after remittance, notify us immediately, combine your detailed the request and company information FAXs to us, it is easy to to carry out the concerning single certificate.
Moreover, the price on the invoice need to be compared to close a deal the price physically low?Can economize to pay customs duties the expenses like this.
要注意用语的礼貌与语法的标准性，还有表达上要流利~

With regard to the invoice and the certificate of the original supplier, which are to be executed by the envoy concerned on your request, we will send both of them to you together with the air B/L through express delivery service.

The fee for the execution of the two foregoing papers amounts to one hundred and twenty US dollars; besides, the quantity of the order you placed with us this time is comparatively small. Hence, we regard it as reasonable for you to pay the extra fee in question. Please remit to us the sum along with the cost and freight by telegraphic transfer. As soon as we are informed of the electronic remittance, the shipment will be carried out and then all the relevant papers will be delivered to you in three days.

After you finish remitting the total sum, please notify us of that by fax and specify your instructions and the information on your company in order for us to take proper measures.
By the way, are we expected to enter on the invoice a lower price that the real one so that you may be exempted from some charges when you clear the Customs?