How to determine the basic price of the basic price by mechanical use time to determine. In China, the use of life expectancy is usually planned construction machinery is 10 years (generally speaking, because the introduction of new products used excavators, using 10-year old machines are also available for even very low offer), the average time of use about 2 000 h. During normal use, the number of engine overhaul cycle life also 10 000 ~ 15 000 h, pump life span is usually 20 000 h or more, while others, such as hydraulic motors, gear boxes, main control valves and other assembly parts To longer 40 used excavators, that is to say about the new machine, in the absence of unexpected circumstances within five years of having to overhaul. The excavator, for example, in accordance with the current specifications used equipment depreciation, depreciation of machinery by 20 percent the first year, decreasing 5% per year in the future to account for the basic price, namely 20% depreciation in the first year, second year 15% depreciation first three-year depreciation of 10%, the fourth annual depreciation of 5%. The first five years in the future, usually because of aging of some parts, normal wear and tear, and some reason not estimated 135 used excavators, it is necessary to carry out a series of renovations to the device, which makes equipment depreciation rate steady at about 5% or so or less, so that the offer steadily. Along with the upgrading of the skills of all aging and the machine itself, 10 years after the offer to 20% below the whole quote. Used construction machinery in the hands of manufacturers and dealers are personal hot potato used excavators 1, in the hands of customers are able to become wealth. But look at the sale of two mobile phone market, although culture through the years, but still full of trading information asymmetry, unclear property rights, the quality of insecurity, lack of necessary financing credit support, the lack of a credible evaluation of the organization and the necessary determination sale service system and many other practical problems. Especially in the final period of construction machinery "golden years", in order to expand market share to the extreme, financial leasing new aircraft and replacement policy matters simply will ErShouJi living space squeezed to the limit, the sale of two mobile phone market is not only not development and growth, but shrinking, falling into chaos. This information comes from China's construction machinery Trade Personal 1_ Kim Ho used excavators used excavators (Online) _ Used Excavator provided by Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) is the Shanghai Minhang District, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kim Ho used excavators in leadership with the staff warmly welcome all inquiries negotiations to create jinhao used excavators better future.