2 layer pcb: 1.choose KB material 2. ... manufacturing single side PCB, double side PCB, multilayer PCB, especially in aluminum PCB, DVD PCB and power supply PCB. We choose ... : Product Categories:single/double sided board, multi-layer board, high density board, including MLB with ... ±0.13mm(routing), ±0.05mm(punching)Inner Layer registration tolerance:±0.05mmProduction capacity per month:≥10000sqm ...