... electronic, instrument, medical, spinning machine, aviation, shipping, machinery industries and other fields2. Temper : T3-T8 H112 O3. Surface Treatment ... &polish&anodized4.Anodized Colour: silver, red, black, blue, and so on.5.Technique procedures: die casting ,make mould,extrusion ... ),cutting,anodized6.Certificates ISO 9001:2000 ISO 14001:2004 and comply by ROHS 7.Terms & Conditions of Trade (1). ...