pls help in english

你可以咁寫:

We are glad to know that you are satisfied with the first stage of the ABC project.

Now, the second stage is ready to begin, before that we would like to have another 10% of payment, for total of $xxxxx.

We would be grateful, if you could inform us while the payment is ready.

If you have any questions, please do not hesitate to contact me.

Thank you for your attention.

Regards,
(your name)
(your company name)

2007-05-17 00:54:07 補充：
唔好意思, 漏咗:Dear Mr. xxxx or Dear Ms. xxxx or Dear Mrs. xxxx 如不太熟最好用番姓氏相稱.希望幫到你啦!

Dear Sir,

We are pleased that our product have been met with your approval. In order for us to continue with production, we would require that you pay us $------ being 10% of the total cost of this order.

Kindly remit the amount to our Bank account ................

Thank you for your kind understanding and please do not hesitate to contact us should you have any queries.

Regards,