This machine is one of our company's seamer,beside this machine we have other kinds of seamer,such as :GT4A6,GT4A16B,GT4A19F,GT4A16B and so on.Usually ,one production line for can making need two seamer.We have the seamer of automatic and semi-automatic.The folowing is the the main technical parameters of GT4B4A seamer machine Production 78cans\min Apply cans diameter:52-105mm Sealing height:50-124 mm electrical power:1.5KW Weight of equipment:2000kg Dimensions: 785 x 650 x 2,000 THIS MACHINE IS AUTOMATIC SEAMER.