1.printed circuit board 2.FOB price:US $0. ... approved 4.Payment terms:T/T,Paypal Printed circuit board/keyboard circuit board Welcome to Eastwin! Our PCB board ... Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10%Copper Weight Tolerance± 0.25 ozMinimal Slot Width0.12 ... 0805,0603 components SMT technology----ICT(In Circuit Test),FCT(Functional Circuit Test) technology.----PCB Assembly With UL, ...