... Board 1.Model: 2000 sreies~~~Al-Cu Alloy5000 series~~~Al-Mg Alloy6000 series~~~Al-Mg-Si Alloy7000 series~~~Al-Zn-Mg Alloy These models ... & anodized4.Anodized Colour: silver, red, black, blue, and so on.5.Technique procedures: die casting ,make mould,extrusion ,CNC (milling finish ... District which is between Shanghai and Suzhou City of China. Al-Mg-Si Extrusion Aluminum Alloy Plate Board