哪位英语高手可以给我翻译一下 谢谢了没几句

Dear sir,
I am manager Liu of XXXX company. Would you please send me an inviting letter in a week?Please do it as quick as possible,so that we can have some discussion about our cooperation and trade.Thank you!
Yours Sincerely
XXX

Hello,
I amMRLIU in XXXX company . if possible, within one week of a letter of invitation to me.The sooner the better.So I can discuss cooperation or trade on the matter, thank you

Dear sir,

i am manager Liu from XXXX company.i am writing to ask whether you can send me an invitation within a week as you can as poosible,the faster the better,in order to be convenient for us to discuss our cooperation and trade.thanks
Yours Sincerely
Liu

hello,Mr/Miss.xxx(总归要称呼对方一下) i am Manager liu from XXXX company,i am here writing this letter to inform you of sending me the invitation within a week so that we can start our trade or cooperation in business.