... passed US UL, ISO9001 & ISO14000 certification and established green production s We offer LED PCB,FPC,Double Side PCB, Multi-Layer PCB ... .125mm-6.00mm5. Min. Trace Space: 0.075mm/3mil6. Min. Laser Hole Size: 0.075mm/3mil7. Copper Thickness: 0.5oz-5oz ... , Immersion Silver, Immersion gold, OSP, Carbon ink.9. Sold mask: Green, Red, White, Black, Blue, Yellow10. Test: 100% E-test11. Vacuum ...