... compresion and anticorrosion.5.Various surface finish: Mill finish, Powder Coating, PVDF coating, PVF2 coating, Anodizing, Sandblasting, Cataphoresis ... light bronze, dark bronze. 5. Powder spray coated: Normal color, special color. 6. Fluorocarbon powder spray coated: Normal color, special ... strictly in quality.Welcome to contact us! Aluminium frame for solar holder/industrial/agriculture/construction