... electrophresis,poweder coating,silver matt and stand blasting.3/Characteristics:lightness,smooth,subtle,edges and elegant appearance4/Deep process: ... preciously,cutting,milling,drilling,puncheding and CNC maching are available.5/Various shapes ... Used for making curtain walls,industrail,sign,windows and doors,construction and decoration. Various Aluminum Profile/extrusion/extruded sections ...