1.1L PCB for drilling machine; 2.good quality,reasonable price; 3 ... form is of my company's process capacity for your reference, for more messages, pls contact with us freely! ... / Lead free Materials(RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board ... .2mmPunch±0.1mm E-testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO, ...