The spiral jack is also called a mechanical jack. It is significantly different from the oil pressure jack. It is no oil. The pound of oil can only be used standing, so it is also called the vertical oil pressure jack, and the spiral jack can not only stand upright, but also use it upside down.

The spiral jack is mainly used in the top upgrade work of objects. It is used in engineering operations such as automobile manufacturing, factories, pipeline construction, airport construction, and bridge construction. The casting process is formed. The main body is made of ball and ink cast iron.