Chinese Academy of Sciences recently released a survey shows that China is the world's most serious waste of natural resources, one of the countries used excavator Website, ranked 56 in the 59 countries surveyed. Construction machinery industry as the internal combustion engine product except the automobile industry the second largest use of industry, although the scope of work is limited to the construction, mining and construction sites, etc., but because of its emission intensity, emission targets and inferior to the car, so the pollution of the environment more serious. This second-hand digging machine, the State Council "on the strengthening of the internal combustion engine of industrial energy saving advice" in the clear requirements in early 2013, to the 2015 sale of second-hand digging machine, energy-saving products accounted for 60% of the internal combustion engine combustion engine product ownership society, The internal combustion engine reduces fuel consumption by 6% -10%. Secretary-General of China Construction Machinery Industry Association, Suzi Meng had this On the Road, "second-hand equipment trading also just stay in cash on delivery of the light level used digging machine businesses, the lack of appropriate contractual constraints, equipment purchases luck too, the user the lack of security interests. In addition, the domestic second-hand construction machinery market access threshold is low, the device did not enter the relevant legal norms, there is no authoritative assessment institutions equipment used equipment pricing, make the sale of equipment during the long-term existence of fraud. various problems have been restricting the pace of development of China's two mobile phone industry. "hand digging machine manufacturers, Kim Ho used excavators (certified), Hebei used digging machine 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.