... ,OEM/ODM Application range; Heat sink for PCB, electronics heat sink,high-power heat sink,chips heatsink,VGA heatsink,anodize heatisnk,heat redistor.Process flow;1, extrusion ... mouldAluminium extrusion die mould, porthole die, Shenzhen Jinrui Aluminium Industry Co., Ltd. one of the best manufacturers of aluminium extruded profile products ...