1.ISO9001:2008 CE RoHS for aluminium profile box 2.Provide OEM service 3.Competitive price Specification: ShenZhen ... ,bonding, punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat sink clear anodizing, oxidation process, powder coating, brushing, sandblasting ... 2007. Any question, please feel free to contact us. aluminium profile box