... the world to explore market based on Mutual Benefits!!Tin coating Production LineThe Process: Cold rolling Annealed plate is reciprocal ... Passivating etc treatment, then re-rolling it.Characteristic of tin coating line:1. High frequency power supply to ensure production ... welding machine, 4. entrance lopper, 5. degrease, 6. electrolytic tin coating, 7.hot air drying, 8. soft melting, 9. water ...