As used construction machinery, and compare the new machine there is an infinite distance. Generally used excavators, the new machines within a few years there will not be much doubt 30 used excavators, even if there is a doubt, because it has the appropriate after-sales service system, maintenance will be relatively promptly. Second-hand construction machinery then perhaps go wrong at any time, even if you can get the most timely maintenance service, perhaps never as complete as the new machine, simple form impact on the construction schedule, and service is paid. This is necessary to question the primary consideration when purchasing used construction machinery. About purchase of second-hand construction machinery users, the most concerned about the job is the procurement of equipment is not good value for money? South China Excavator used excavators recognition of the extent of the user is higher than the north. Used construction equipment abroad has a very complete evaluation criteria, which are mostly sold auction-based. This evaluation can be most used construction equipment users do not have. About direct users, small second-hand excavator price in China has not improved the evaluation criteria used equipment when indecipherable use within one of the most simple way to evaluate the used construction machinery is particularly important. First, the size excavator arm, observed the excavator boom and arm have no cracks, there are no traces of welding, if the cracks, the claimant before the dry condition is bad, very serious damage to the machine. Such excavator even buy back, not good work. Second, there is no bump observe each cylinder marks, if bump medium used excavators appeared, the claimant had suffered serious injuries, the cylinder will stop the oil spill, even if replaced with a new seal will continue to drain in a short time oil, so when buying used excavator, check the fuel tank is also crucial. 30 _ used excavators used excavators used excavators _ Kim Ho Jin Hao from Shanghai Used Construction Machinery Co., Ltd. Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) strong, credible, in Shanghai Minhang District of mining machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead jinhao used excavators into the brilliant and you work for a better future!