... .ROSH SGS Certification; 5, High quality, low cost&fast delivery. Welcome To Rigao ElectronicsShenzhen hasl lead free double-sided FR4 pcb board - Contract ... CEM-3(1/2+-0.1mm) V-cut angle V-CUT 15°,18°,30° V-CUT line,hole,V-shapeCertificates UL Cert. YISO ... PCB,selectivity plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, Beveling19). Certificate: UL,ISO 9001,ISO14001,ROHS20). We have a ...