From the characteristics of the excavator itself, its function, high prices of second-hand excavator Zhengzhou 400, not damaged, and the chance to use not too high, these features led to its new machine mall elasticity is relatively low, liquidity is not high , thus instigating the conduct used excavators mall. There are shopping malls, also there is a demand. Many patrons a variety of factors when considering excavator, used excavators tend. However, the procurement division, have to pay attention to the following. Items to Prepare want to buy used excavators, whether an individual is still a group purchasing, it is a major event. Thus, the need to do detailed program organized Zhengzhou 400 used excavators to ensure full certainty. Used construction machinery in the hands of manufacturers and dealers are hot potato Zhengzhou 400 used excavators, customers are to be placed in the hands of 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 Doosan used excavators used excavators _ (Online) _ Haikou used excavators 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.