cree aluminum Pre-drilled passive led cob heat sink.We manufacturer custom specific heat sinks based on drawings in small and large batches.The end product uses of the heat sinks we manufacturer include:led spotlights,led track lights,led down lights,led street lights,led stage lights,led tunnel lights,etc.All endless array of options means you can choose the material(including aluminum or bronze),as well as the finish(including anodizing,plating,electroplate,and powder coating).A heat sink is a component that increases the heat flow away from a hot device.It accomplishes this task by increasing the device's working surface area and the amount of low-temperature fluid that moves across its enlarged surface area.Customizing heat sinks meet the thermal application requirements.Customizing heat sink helps reduce a heat sink cost,and heat sink helps reduce a heat sink cost,and also can reduce the prototype time dramatically.If you have a custom heat sink requirement,contact us today to s…