This kind of  rings tensioner is designed for warping magic tape hook yarn

The main properties are: 

A: When taking out yarn, it can adjust different tension in ring bobbin.

B: It can hold more than 250m/min of taking out speed with constant tension .

C: Identifying the tension yarn at any time and avoiding broken yarn effectively. 

D: Finding the broken yarn at ring bobbin directly. 

E: Being no open and rotating parts, the machine is not sensitive to dust and not easy to go wrong.