For big coil galvanized iron wire, we also have wire rewinding machine to layout the small coil wire and winding it again into big coils with different inner diameter.
Annealing technology: annealing goes after wire drawing of coils in the process. Annealing is divided into oxygen free annealing, open- hearth annealing used in galvanizing and heat annealling which is co mm only used in factories.
