... , Immersion gold 3. Excellent quality with competitive price 1. Al base material,1 oz copper, board T1.6mm2. Green ink, Immersion ... , Routing, V-CUT, Beveling19. Certificate: UL,ISO 9001,ISO14001,ROHS 20. We have a sound quality management system,Ensure the qualiy ... high pcb at the soonest 2 Layer 1.6mm aluminum base pcb board