Shandong China Coal Import & Export Co., Ltd.

when drivers use electric locomotives for transportation, Should follow the transportation rules and regulations, what rules and regulations are there when using mine electric locomotives transportati

When the train passes, the vibration will cause the surrounding gravel to roll down and shrink the cavity, which will cause damage to the base of dowty retarder, which will need to be stopped for main

Steel rails grinding cycle refers to the measurement basis of the time interval of rail grinding operation, which needs to be determined according to the line condition and maintenance purpose. Differ

Dowty retarder is a small independent hydraulic device installed on the waist of the rail and has the function of automatically reducing the speed of the vehicle. The sliding cylinder and housing are

I believe that everyone has a certain understanding of the dump truck, we at China Coal Group will introduce the characteristics of the dump mine wagon.

The dowty retarder was first invented by the British George Dowty, and is a hydraulic device used to control vehicle speed in the marshalling station hump speed regulation system. Divided into two par