... .one-stop service 3.quicker delivery 4.UL,ISO9001 electronic universal lcd controller board 1.Number of Layer: 1 to 28 ... board, wireless router, medical equipment, MP4 players, DVD players, GPRS,Power Supply, etc.6.Certificate: ISO9001-2000, ISO14001-2004, SGS, UL ... 8 Layers Immersion Gold Board / PCB XJYPCB MachinesXJYPCB Production: electronic universal lcd controller board