... 2.good quality,reasonable price; 3.quicker delivery; 4.better logistic service; 5.UL,SGS,ROHS,ISO9000. We ... , pls contact with us freely! ItemSpecification MaterialFR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS Compliant)/CEM-3 ... /CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm( ... ±0.1mmPTH/NPTH Tolerance±0.15mm(dia.=0.4-1.4mm)Pad Tolerance±0.1mm(dia.≥0. ...