single-side pcb(computer board)

TECHNICAL CAPACITY 1,Materials: Single-Side Board,Sham Doubie-Side Board,XPC,22F,FR-1,CEM-1,CEM-3,FR-4 2,Finished Surface: O.S.P(Entek),Rosin,Film Carbon,TAB Gold,SMOBC,Carbon Oil thru holes,Silver Oil thru holes 3,Min Line\Space:0.2mm\0.25mm Carbon finger smallest spacing:0.4mm Guards against welds separates the line smallest spacing:0.18mm 4,Min Mechanic Hole:0.7mm Min mechanical aperture:1.0mm Min square groove extent:0.25mm The hole and the pitch of holes smallest must a board be thick 5,Max Board Size:400mm X 350mm .