High Quality Neck Rings For Gas Cylinders

Our High Quality Neck Rings For Gas Cylinders are manufactured according to the drawing and/or sample of various customers, following to their requirements.  There are mainly two types: - hot forged from steel billet - cold forged from steel plate Both types of neck rings can be marked embossed and/or engraved. The neck rings can be supplied raw or zinc plated. Our advantages： 1.Factory direct sales, complete specifications.  2.Hot-rolled steel as the raw material.  3.After high frequency quenching and tempering in the production process, it enhances the flexibility of steel and prolongs the service life of products，make the caps never crack.  4.No burr in punching and smooth thread. 5.Steel plate thickness can be customized.  6Thread can be customized.    7.Surface treatment can be customized.