... We supply all kinds of heatsink,we are manufacture not trading company,we are the source.OEM service is offered. We ... supply all kinds of heatsink,we are manufacture not trading company,we are the source.OEM service is offered.Trademanager:cn220076578 ... . Alloy: 6063/6061 T5/T6 are availableB. Finish: Anodized, powder coating, brush, mill finish availableC. Procedure: Preciously Cutting, milling, ...