Main features: 1. Optimally designedsteel-frame structure, is sturdy and durable 2. Single piston double-actinghydraulic oil cylinder, is durable 3. Up stroke and down stroke ofcylinder rod controlled by manual, is convenient and flexible 4. Oil cylinder moves left andright, pressure head works at multiple points 5. Beam of work platform moveslifting device from up to down, is convenient and easy 6. Electric pump, manualcompensation, easy to operate Piston rod chromiumplating laye 3μm 7. Sealing element grade B |