... , industrial, paint cans making. Our products include: metal sheet cutting machine, can body rolling machines, seam welding machines, flanging machines, sealing ... lid/end making machines,etc. 1.usagesingle-head spot-welding machine is used to spot-welder the upper handle of tinplate ... around.6.customer visit7.Welcome to visit our company for business negotiation!when you come and if you demand, We will ...