The Floor Spring Hinge is one of the most important construction components. They can be found in different colors and designs. They are also available in different sizes. The traditional version measures 102mm x 2.2mm. The main differences between spring and traditional floor hinges are their dimensions.

Floor spring installation is not a simple job.It should be done by the skilled persons.Wrongly installation may cause noice,oil leaking or speed problems.The steps are as below:1.Choose the suitable floor spring according to the door weight and width.2.Decide the ground digging hole position and si