Multilayer pcb with imm gold finishi,FR4,1.6mm,35um Cu.

Production line:

1~20 layers,FR4,CEM1,2,3,4,AL based,Isola,TEFLON

Your PCBs can also maybe manufactured as followed:

1) Surface finishi:HAL LF ,Immersion Gold, Immersion Tin, Immersion Silver, Plating Gold,OSP,optional.

2) Solder mask Green,red blue,white, black.

3) Standared:UL,SGS,ROHS.

4) Multilayer pcb