... Corrosion and Oxidation Resistance 2.Easy Installation 3.High Accuracy 4.Warranty: 25 years Quick DetailsPlace of Origin: Jiangsu China ... , Anodized, Powder Coating, Wooden transfering, electrophoresis, heat insulation, PVDF.4. Deep processing: drill hole, stretch bending, milling, fabrication etc.Characteristic ... such as Cutting, punching, drilling and tapping, etc. Aluminum frames for solar panels