+ISO9001:2008 CE RoHS for profiles metal box +mearly 10 years making experience +Resonable price Specification: ... 1 Processing of heat sinks: precision cutting, drilling, skiving,deburring,fine blanking,soldering,bonding, punching, stamping,milling, CNC machining,polishing ... your request. We are a factory which specialized in sheet metal producsts since 2007. Any question, please feel free to contact ...