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Construction machinery industry recovery compact excavator tight
Jining ChangSong Construction Machinery Co.,Ltd was founded in 2000,located in Jining city,Shandong province,which is the hometown of Confucious and Mencious,the Pearl of Canal.In the first half of...
Hydraulic excavator after-treatment method
Jining Changsong Construction Machinery Co.,Ltd,our company can supply excavator spare parts and bulldozer spare parts with high quality. Excavator hydraulic pump after severe wear we find the cause...
New construction machinery imported used new regulations to increase the share of second-hand excavator
Due to the increase in the entry threshold for second-hand construction machinery, domestic machine manufacturers in 2012 are expected to increase their market capacity by 8,654 units. According to...
Construction machinery diesel engine fuel pump failure in 3 cases
The hydraulic system efficiency of a construction machine depends mainly on the volumetric efficiency of the hydraulic pump. When the volumetric efficiency drops to 72%, routine maintenance,...