As people change work efficiency and methods, more and more people will buy hydraulic jacks when choosing a jack, because it saves effort to use. However, there are still many customers who choose a lot of spiral jacks, such as customers who make oil tanks. It is used in large oil tank welding. The reason is that its shell is cast as a whole. The structure is mechanical, and the leakage is not produced by tilt. The volume is also relatively small, which can be convenient to move and store in use. And it can support heavy objects for a long time. When buying, you can choose different tonnage according to the different specifications of the load. If you have any questions, you can consult Ri Zhi.