Your order is guaranteed _ within 3 days.

your order is guaranteed to arrive within 3 days.

1)  the  other day we got a request for an office equipment.2)      we make a technological equipment.    3)we can not accede to your suggestion, because we have a lot of orders.4)  our firm is interested in the purchase of your computers. i would like to discuss the terms of delivery and future contract with you    .5)  month we sign a contract with this firm. they will begin to supply with the machines in two months

ну можно еще motherboard , microprocessor , hdd  — hard disk drive , modem , microphone , usb, columns , usb flash drive , power supply unit , fan , cd and dvd-rom , reader и.т.д