... than 120,000 square meter per month, double side PCB, multi-layer PCB and the high density boards of above 5,000 square ... .075mm(3mil)8Surface finish/treatmentHALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersion Silver/Gold,Osp,Gold Plating9Copper thickness0.5 ... real model for single-, double-sided 12-24 hours intensive, 4 - 8-48-72 hours of intensive and small quantities of ...