It is understood that these manufacturers have specialized subsidiary of imported second-hand excavators, the current foreign brands such as Komatsu, Caterpillar, used excavators supplier, domestic brands such as Trinity, Liugong, Zoomlion and so do the hand Construction Machinery; and the world's largest second-hand construction machinery auction on our first domestic construction machinery auction easy to pole, is also working to become China's second-hand construction machinery trading center in the most formal. This is a good thing, regulate second-hand excavator market, used excavators, make it more professional and stable development, in the sense that the auction of used construction machinery professionally in order to promote development of the industry forward. Winter digging machine maintenance should be selected according to the engine oil quality levels, so as to effectively guarantee the excavator's life, resulting in the use of which can provide efficiency, especially second-hand excavator maintenance of its choice of engine oil is not to be ignored. At this stage, China's construction machinery manufacturers to use more four-stroke turbocharged direct injection engine, to assemble in their own equipment, and emission standards only reached the second stage of emission (ie, Tier-2). Such engine assembly model selection CF-4 grade oil to ensure normal use. Used Excavators | Kim Ho used excavators | used excavators imported by Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Used excavators | used excavators Kim Ho | imported second-hand excavator is Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Mr. Chairman.