... 2.the single machine which can produce large tank in China fully automatic tank making machine1. ... and outer coating (3) high frequency induction drying (4) pre-curling and expanding (5) flanging (6) ... machine, can welding machine, can body welding machine, can welder, can body welder, can body making machine, seam welding machine, seam welder, metal packaging machine, packaging machine, can machine ...