1 Processing of heat sinksprecison cutting,drilling, skiving,deburring,fine blanking,soldering,bonding,punching,stamping,milling,CNC maching,polishing2 Surface treatments for heat sinkclear anodizing, oxidation process, powder coating, brushing, sandblasting,shot blasting,polishing,milling3 Surface colornatrual ,black,matt black, green, red,yellow,silver,white,blue,andother,surface colors upon request reasonanable price +power deliveryWelcome to inquiry for us.!Shenzhen Enner Electronic Technology Co;LTDwww.ennertech.comwww.topcoolmetal.comTel: 0755-28117172Fax:0755-28118820Mobile:13480924581Attn:Crystal