First, the size excavator arm, observed the excavator boom and arm have no cracks, there are no traces of welding, if used excavators transaction rift appears to prove that the machine before doing relatively poor working conditions, damage to the machine quite serious. Such excavator even buy back, not good work. Second, there is no trace of the fuel tank to observe each bump, bump if there is, the claimant had suffered serious injuries, the cylinder will not stop the oil spill used excavators, even put a new seal will continue to leak in a short time Used excavator net, so when buying used excavator, check the fuel tank is also crucial. Anatomy guess excavator production and marketing needs of our industry since the late sixties of last century started to develop, carry out commodity excavators used excavators sale, after just 40 years, especially since the reform and opening up 30 years, China's excavator production carried out particularly agile occupation. National Bureau of Statistics data show that in 2010, China's excavator production career has 252 above-scale enterprises, completed the sale of the amount of 169.785 billion yuan, 25.367 billion yuan to complete the sale of goods profit, profit totaled 21.406 billion yuan, an increase are beyond 80%. China's excavator mall decade at an average rate of 30% a sliding scale, has become one of the world's largest amount of shopping malls. Judging from the current situation, China is in the peak of the road traffic, power water conservancy, urban construction and other areas of infrastructure construction, excavator mall requirement increased year by year, in 2010 the country sold a total of excavators practice than 165,000 total units, an increase of 74.5%. _ Kim Ho used excavators sale of second-hand excavators (certified) _ National 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.