... service We can produce kinds of PCB for LED lighting/display.. Board material:imported from Taiwan ,made- in-china,NEC ,BERGQUIT ... , Chemical Gold, Immersion Silver/Gold, OSP, Gold plating Solder Mask Color: Green/Yellow/Black/White/Red/BlueTolerance - Shape tolerance: ±0.15 ... 9001, SGSProfiling: Punching, Routing, V-CUT p10 pcb for all-color LED display