The slider is an important part of the zipper.So far as say that is one of the most important parts of in zipper all artifacts,how to know to pull head role in the function of zipper,what is the basic principle of slider structural part what kind of role ,slider of manufacturing process,manufacturing slider with what equipment and what is the raw material.What are the common causes of quality problems with pullers? What is the future development trend of the slider?what are the effects of these patented technologies on the development of industry?In metal zipper suppliers terminology,the definition of a slider is that the general term for the moving parts that make the chain teeth mesh and pull apart.According to an analysis of the function of zipper,we can see that zipper in the implementation process of “open”and “close”,the slider is to play a leading role and take apart meshing tooth head,and promote the steady state after the chain belt mesh,at the other ,slider and ensure that the use of the prescribed period of time,from the out side world after a certain force,there will be no function failure.