... .2mm thickness board 4.UL ISO9001certificater 5.green silk sgreen gps pcb1.Transportation by air,by ship ,by express,up to ... .drill bit size0.2mm0.15mmAspect ratio8:0110:01Surface Finished typeHASL,Flash golds,ENIG,OSP(lead freecompatible),Carbon ink,Peelable S/M ...