Multi-Layer PCB High frequency PCB (Rogers, F4BK, Taconic ) Metal PCB (Al-based, Cu-based) HDI PCB assembly 2 layer,1.6mm,immersion gold 2 layer,1. ... , 1.6mm, matt green, BGA,impedance control With regard to our PCB prdocts,pleas find the following specification,table1 and 2 ... more.Production : with regard to quantity less than 300sm order, our standard delivery day as4 layers : 10 w.d ;6-8 layers ...