... green production s We offer LED PCB,FPC,Double Side PCB, Multi-Layer PCB, F4BK PCB, PTFE PCB, Ceramic PCB, Rogers PCB, Aluminum PCB.1,Layers: 1-22 layers2 ... : 0.075mm/3mil7. Copper Thickness: 0.5oz-5oz(17µ M-175µ M)8. Surface Finishing: HASL, Lead free HASL, ENIG ... GB(4588)14. DHL, UPS, FedEx, TNT (door to door) LED printed circuit board (led pcb)