... Surface Finishes:HASL(Lead Free), Enig, OSP, Gold Finger, Tin, etc.PCB Max. Size:1200mm×600mmLaminate Materials:Fr-4,Fr-1,,Fr-2,Cem-1 ... Shenzhen Rigao Electronics Co., LtdWe are the Printed Circuit Boards (PCB) manufacturer with 8 years experience, specialized in single-sided, 2-layerd, multilayer ...