+ISO9001:2008 CE RoHS for profiles metal box +mearly 10 years making experience +Resonable price ... bonding, punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat sink clear anodizing, oxidation process, ... coating, brushing, sandblasting,shot blasting,polishing,milling 3 Surface color: natrual ,black,matt black, green, red,yellow ... feel free to contact us. profiles metal box