... paint cans making. Our products include: metal sheet cutting machine, can body rolling machines, seam welding machines, flanging ... machines, sealing machines, moulds and can lid/end making machines,etc. 1,Main ... paint pails. cylindrical tinplate cans,etc. it's easy to operate. 2) while welding, good symmetry, ... business negotiation! 8.Machines Package dual-head spot welder