Seam welder made by GR applies electric resistance to weld the side seam of metallic containers or tin cans. 

Seam welding machine is very important for the metal works industry and metal packaging industry. It can soldar the edge of the metal sheet and melt the edge as uniform.

The overlap of side seam can control the welding seam width. When it comes to the overlap level, GR seam welder is second to none.

The electric resistance welder is equipped with lower arm that is made of brass, this is good for the welding quality, and the welding rollers are also make of copper.