... board 1.good quality,reasonable price 2.one-stop service 3.quicker delivery 4.UL,ISO9001 electronic universal lcd controller board 1. ... Number of Layer: 1 to 28 layers. 2.Base Material: FR- ... phone motherboard, LCD of mobile, computer display card, blind&buried board, wireless router, medical equipment, MP4 players, DVD players, GPRS ...