The product also has the following features: 1. The effective play of the motor power, high efficiency. 2. High absorption material, the actual pumping efficiency reached the theoretical value reached more than 80%, save the labor cost. 3. The device reliability 4. Long service life 5. The operation is simple 6. Oil supply adequate, lubrication effect is good, save consumption by more than 50%. 7. The buffer technology makes system reversing impact small, produce less heat. 8. The quality is light, is equipped with wheel, convenient to move, easy maintenance, low maintenance costs. 9. Full mechanized operation, shorten the construction period and improve labor productivity. 10. The use of power is only 11 kw, save electricity. 11. Can be put directly on the floor on site pouring, and it is not restricted by pumping height