... static package * RoHS Directive-compliant, lead-free * One stop service for PCB design, PCB layout, PCB manufacture, components purchasing, * PCB assembly ... , test, packing and PCB delivery Technical Specification For PCB : Number of Layer1,2,4 or 6,upto 18 ... Rohs standard.In the meantime,we are able toprovide certificate for each kind of material,or UL certificate upon customers' ...