1.QL-D series hydraulic rock jack is especiallly developed for mining rock.It is widely used to move big rock block, which simplifies the way of mining rock.

  2.It adopts advanced design which has two oil rotate circuit with one electric motor.With hand control valve, the design makes the structure much smaller and easier to use.

  3.The use of the anti-dust guard can prevent damage of the dust and dirt.

  4.Enhence the working oil pressure by adopting the design which combines the two oil pumps.

  5.The cylinder is made of special imported steel so that it can generate huge force while its weight is light.

  6.It can be used according to different situations (200T, 300T or 500T).

  As per price: The fittings of every model are different,so there're difference in price.As detailed price,please call for consultation.