汉译英 跪求高手

Ladies and Gentlemen, due to the demands of the developing business, our company plan to change the present telephone system,here are the projects coming from 3 companies.
Please read them and make advices by the end of this moth, because we will purchase the relative equipment for the new system.

Ms. doors gentlemen, as a result of operational needs, the Company will replace the telephone system the company developed to update the current telephone system, have three companies of the updated program. Please read the staff themselves, and to make recommendations at the latest before the end of this month, because the company next month to purchase

Woman gate gentlemen,
As a result of the service need, this company replace the new telephone system company to draw up renewal at present the telephone system, some 3 companies proposed the renewal plan. Asks staffs own to read, and puts forward the proposal, will be latest before the end of this month, because