... )authentic, mouthfeel is sterling.Number of Layers 1-12LayersBase Material FR1, FR2, CEM1, CEM3, FR4, BTCopper Thickness ... ranging from product designing, electronic circuit hardware designing, PCB circuit designing, microcontroller researching and development, PC software ... is” per samples supplied by clients.Producing PCB boards according to PCB diagrams furnished by clients. If applicable, ...