The seamer is mainly used to seal pop-top can of tirned plate and aluminium alloy.It has four sealing positions with the sealing componont.Can revelves and circles around the main spindle when seamer is sealing.It has functions of feeding cap when can is ready,not feeding cap when can is not ready.And it is installed with auto matic stopping system which acts when a capsule is blocked at the inlet,or can is blocked at the outlet.or the cap runs out in the cap holder.So the seamer is the ideal equipment for canned food factories and canned drink factories.