... anti-static package * RoHS Directive-compliant, lead-free * One stop service for PCB design, PCB layout, PCB manufacture, components ... assembly, test, packing and PCB delivery Technical Specification For PCB : Number of Layer1,2,4 or 6, ... In the meantime,we are able toprovide certificate for each kind of material,or UL certificate upon ... your requiremt. multilayer HASL-LF PCB for lead-free soldering