北京孙先生的公司承接各类土石方工程,一直以来其承包的工程主要采用租赁设备进行施工。由于北京将举办2008年奥运会,近几年来土石方工程量越来越大,因此,设备的需求也多了,但租用设备的难度也越来越大。通过这几年的施工经验和目前的工程量,孙先生认为自己购买设备来施工的效益要比租用设备更高,选择一台高产出、低能耗的挖掘机是孙先生在 Beijing Mr. Sun’s company to undertake various types of earth and stone works, its contracted projects have been mainly used leasing equipment for construction. As Beijing will host the 2008 Olympic Games, the volume of earth-rock work has been increasing in recent years, and the demand for equipment has increased. However, it is also more and more difficult to rent equipment. Through the past few years of construction experience and the current volume of projects, Mr. Sun believes that the benefits of their own purchase of equipment to build than the rental equipment higher, choose a high output, low energy excavator is Mr. Sun