This production line is used for cleaning the surface of the coil andremoving the lubricant, grease and other impurities such as silicon,magnesium, iron, copper, etc. Then uniformly apply chromium freetreating primer to the front and back of the coil in order to ensurethe adhesive strength of the paint. It is an indispensable pretreatmentprocess before color coating.The line we provided for our Spain client is more than 80m/min.