Excavator manufacturing industrial countries earlier, used a large excavator market, France, Germany, the United States, Russia, Japan, is a major production capacity 3.5-40 m3 bucket hydraulic excavator in the country, from the 1980s to begin production large excavators. For example, the United States produced by Marion peeling excavator bucket capacity of 50-150 m3, Tianjin used big excavators, bucket capacity of 132 m3 walk-draglines; BE (布比赛路斯 Erie) Company Production capacity of 168.2 m3 bucket walk-draglines, bucket capacity of 107 m3 stripping excavators, etc., used a large excavator business, is the world's largest excavator. The rapid development of fully hydraulic excavator, continuous improvement and innovation control, excavator operated by a simple lever hydraulic control development, pneumatic operation, hydraulic servo steering and electrical control, radio remote control, computer integrated process control. In dangerous areas or using radio-controlled underwater operations, the use of computer control receiver and laser guidance combine to achieve a fully automated excavator operation manipulation. All this fully hydraulic excavators of its foundation and create a good premise used large excavator sales | Kim Ho used excavators | Used Qinghai large excavator is 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.