The third generation excavator: electronic technology, especially the wide application of computer technology, the excavator has an automated control system, second-hand excavator market picture, but also the excavator to high performance, automated and intelligent direction. Mechatronics budding occurred around 1965 years ago, Zhejiang secondary excavator market, and in the production of hydraulic excavators used Mechatronics at around 1985, the modern second-hand excavator market, was the main purpose is to save energy. Excavator is the third generation of electronic signs 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 Changchun second-hand excavator used excavator market Jin Hao _ _ China's largest second-hand excavator market by the Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Changchun second-hand excavator used excavator market Jin Hao _ _ China's largest second-hand excavator market 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 dial this page Phone or pictures on obtain the latest information, contact: Mr. Chairman.