根据下列要点写一封关于空调的推销信：　　推销信要点　　1)产

Dear Sirs：

How would you like to increase the efficiency of your office staff by ten per cent this summer?

Tests in over 80 business offices using Glux air conditioners have proved that staff efficiency these offices increased by ten per cent after the Glux was installed.As the increased staff efficiency means greater

profits for your business organization，the Glux will consequently for itself within a limited period of time.

The price of the air conditioner is very competitive，five per cent lower than that of similar products in the market.And if you wodd like to spread the cost，you have three years to pay up In addition，improvements in the new model will also make your operating costs lOW

Won’t you call and ask US tO send you technical personnel to determine the air—conditioning needs of your office and do the installation?Each day’S delay COSTS you money

Sincerely yours，