Rigid and Flexible PCB(2~12)layer, IVH Boards, Ball Grid Array(BGA)Boards, Flexible(1~4)Boards, Uitra-Thin-Multilayer Boards, Cavity Down Boards, Chip-On-Boards(COB)Double sided&Multilayer Boards, SMD Boards, Hard Gold PCB.... Types of surface finishing include: HASL, Lead free HASL, Flash Gold, immersion Gold,thickness gold/copper, Peelable mask, Gold-finger, carbon ink, Entek...All of our products are consistent with European RoHs requirement, also get the certification of UL and ISO9001.