Galvanized steel pipe production process>Edit
>Black parts inspection&rrr hanging material&rrr degreasing&rrr rinsing&rrr pickling&rrr cleaning&rrr dipping aid&rrr hot air drying&rrr hot dip galvanizing&rrr internal and external blowing&rrr cooling&rrr passivation And rinsing&rrr unloading&rrr inspection, trimming&rrr typing marking&rrr packaging, warehousing and transportation.
>Galvanized strip&rrr uncoiling&rrr stretching&rrr coiled tube&rrr welding&rrr scraping&rrr passivation and rinsing&rrr zinc supplement&rrr shaping&rrr typing logo&rrr cutting&rrr packaging&rrr drying&rrr weighing.
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