Cylinder spinning machine, also known as necking-in machine, is suitable for necking-in mouth and bottom of CNG cylinders, gas bottles and any other pressure vessels by hot spinning principle (so it is also named hot spinning machine).

As a professional supplier, we are in the position to provide complete production line for manufacturing CNG cylinders, including automatic loading & unloading device, medium-frequency pre-heating device, hot spinning machine, conveyor, bottom pressing device, cylinder mouth threading device, cylinder inner wall shot blasting device, cylinder shoulder marking device, etc.