Top-grade CNC flow-forming necking-in machine designed and manufactured by our company has the following advantages: control system is stable and reliable; programming, commissioning, operation and maintenance are quick and convenient. The stability and reliability can meet the requirements of the necking-in process for all types of cylinders. This machine can produce cylinders with satisfactory necking-in shape and dimension and ensure the uniform wall thickness. This equipment has reached the world advanced level of top-grade computer numerical control specialized machine tool