... pcb, single sided pcb,double sided pcb,multilayer pcb,flexible pcb,fr4 pcb,fr2 pcb,fr1 pcb,cem1 pcb,cem3 pcb,aluminum pcb,etc. Authoritative Quality Certificates we have ... Max. number of layers8Min. thickness for inner layers (Cu thickness are excluded)0.003”(0.07mm ... printing workshop Exposure workshopAutomatic graphics copper plating line PCB etching line Some producing machinesTesting Items1.100% ...