extruded aluminum heat sink 1)Based on client's design or drawing 2) ISO9001: ... ,brass,bronze ,copper, hardened metal, precious metal , aluminum, alloys,iron etcMain equipment39sets of CNC lathes, 19sets milling machines ,9sets of stamping machines ... from 16T to160T,3sets of CNC bending machine, 1set CNC punch machine, thread rolling machine, tapping drilling machine ...