1)Aluminum based single sided LED PCB design,LED PCB,2)SMT service, ... )4-6Copper thickness0.5oz-3ozMin trace /space width3milSurfaci finishHAL(lead-free); immersion gold/Tin/Ag;OSPPlating goldPrice TermsFOB Shanghai,CNF,CIF ... /P,T/T,Western Union,etc.PackingDefined by customers Aluminum based single sided LED PCB design and SMT