1.10years experience of manufacturing 2.variety of colors & surface treatment 3.ISO9001,ISO14001,OHSAS18001 Surface Treatment: polished, brushed, powder coated, anodized, mill ... ,hardness and very smooth3.Excellent one staion service for extruding, processing, anodizing and so onColours: red,gold,green, blue, purple,silver ... (DOT) COM (DOT) CN aluminium pipe for curtain rod or decoration