广州是中国工程机械特别是挖掘机零部件的集散中心,但是在发展过程中也面临着困境。如从表面看,很多维修工厂、维修企业都停满了需要维修的“无主”设备,设备用户消失,维修费用也无处可寻。主机企业更是遇到困境。目前,工程开工率持续低于40%,导致新机销售遇阻,与此同时,主机厂又大量回购二手设备, Guangzhou is China’s construction machinery, especially excavator parts distribution center, but in the development process is also facing difficulties. As seen from the surface, many maintenance factories and repair companies have stopped waiting for maintenance-free “homeless” equipment, and the equipment users have disappeared and maintenance costs are nowhere to be found. Host business is more difficult. At present, the project operating rate continued to be lower than 40%, resulting in the sales of new aircraft hit the same time, the OEMs repurchase a large number of used equipment,