track jack china coal

Chinacoal05Product IntroductionMechanical track jack is the simplest & sturdiest types of the jacks, widely used in Oil Fields, Railway Track Work,Ship Yards, Mining Operation, Construction &Heavy Duty Industrial Maintenance & Establishments. These Track jacks can be used to lifting both on down up strokes. They also can be lowered tooth by tooth, and also can be made to tripped off by just moving the trip control.The track jack has simple structure,easily to use safe and