HY5(NM-FLUORINE-PLATED)STEEL RING

Its good self-lubricating function can shorten the running-in period to minimum level.

Can reduce yarn feather, breakage and heighten the yarn quality.

Endows with self-lubrication, can reduce friction coefficient, and prolong the service life accordingly.

The surface of ring can be formed a new solid protected membrane and not easy to be rusted.