... Price 3. Short Delivery Time 4. Better After Service immersion gold pcb Our PCB Production Capability for your reference1)Layer:from 1 to 202 ... ,Chemical Gold/tin,Immersion Silver/Gold/Tin,OSP,Gold plating,Hard&Soft gold,Plating tin,5)Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double ...