As used construction machinery, compared with the new machine there is a huge gap. In general, the new machine within a few years there will not be too many problems, even if there is a problem, since it has the appropriate service system, maintenance will be relatively promptly. Second-hand construction machinery is likely to fail at any time, even was able to get the most timely service used digging machine, can never be as perfect as the new machine, likely impact on the construction schedule, and the service is paid. This is the time to buy used construction machinery must first consider the issue. First, in the purchase of second-hand excavator ago. You have to be one pair excavator has a very deep understanding of the customer. Through visual, hearing. Personally driving to identify differences in performance excavators. Here's a visual means by observing the engine, and the machine starts demonstrated by the surface conditions and other Yuchai Used excavator, ears generally refers to the sound of the engine, but also to distinguish whether there is failure. It can simulate a variety of hands-on in the actual construction of the case. Prices are not familiar excavator friends before this, it is best accompanied by a professional looking. Open Internet, search under used excavators, Shanghai area will find many used excavators trading site, places all over Xujiahui, Qingpu District, Yangpu District, Minhang District, etc. According to insiders, the big hand digging machine, Shanghai second-hand excavator market relatively large scale in the Xuhui district above the network to other places many of which are false, or simply placed a few small machines. Small second-hand excavator, used excavator Jilin, Kim Ho Jin Hao used excavators provided by 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!