anti-extraction jack

Widely used in construction, bridge building, highway and railroad construction, electric power station construction, equipment lifting, machinery dismantling aspects, hollow jacks have the function of rising and pulling, the center hole can be used for power lines, rebar and so on through the center hole can be processed according to the user’s needs, according to the user’s requirements for the production of different specifications, different strokes of the hollow jacks can be equipped with an optional hydraulic station, the unit with a manual oil pump.