... controller board 1.good quality,reasonable price 2.one-stop service 3.quicker delivery 4.UL,ISO9001 electronic universal lcd controller board ... : FR-4, CEM-3,CEM1, Aluminum Substrate, Rogers, Halogen Free, High Tg. 3.The color of soldermask and silkscreen: Green, White ... 8 Layers Immersion Gold Board / PCB XJYPCB MachinesXJYPCB Production: electronic universal lcd controller board