Hydraulic jack, claw hydraulic jack, integrated, not easy to break, refined steel raw materials, quenching technology, not easy to deform, strong and durable. The independent oil cylinder reduces wear. Two quenched steel rings are built in. The piston rod does not contact the inner rod, and the inner rod reduces wear. Equipped with anti overload device. Simple operation. Bold tight return spring. Fast retraction speed and long service life. Lifting weight:2.5tons,5tons,10tons,15tons,25tons,30tons,50tons just tell me your needs, and contact us.