Aluminum coil for downspouts are uniform in color, clean and bright, strong adhesion, strong and durable, strong acid and alkali resistance and corrosion resistance. The downspouts collects the rainwater from the roof and leads it to the rainwater pipe laid below the ground. Chromizing, drying, roller coating, drying, inspection, winding, packaging are the processing of coated aluminum coil for downspouts. There are single-baked and …