Aluminum Steel Section Based on your requirements and drawing, we can make mold and produce, we can discuss this issue further. Technicsmold making, fusion casting, extrusion, quenching, artificial aging, anodic oxidation, insulation composite, electrostatic spraying, etc.Surface Treatmentwiredrawing, sandblasting, oxidation, coloration, spraying, electrophoresis, etcClassification(1)series1 – 6 ...