... 3.Controlled by only 2-3 persons. Aluminum cap making machine1.General functionThis manufacturing/production line is ... screening machine, hoisting machine (hoister), separator, stretching machine (stretcher), knurling & ruling machine, double-head liner inserting machine ( ... and cover), filter sealing, cap ( aluminum cap, three and four lug caps, crown cap, pop-top cap), sealing, automatic feeding &NC ...