Led Lighting Heat Sink Column Heat Pipe Heat Sink,Short and thick copper heat pipe,Honeycomb Heat Pipe Heat Sink Specifications:1,Watt:40W,60W,80W,100W,150W,180W,200W, ... ,etc) We're heat pipe and heat column heatsink manufacturer and provider.heat sink design for Citizen, Fortimo, Bridgelux LED arrayWe developed LED lighting heatsink inserted ...