... 2),customized 3),Very resonable price PCB(printed circuit board) 1),Strong quality 2),Customized 3),Very resonable price 4),Layer ... 5),Borad finished thickness:0.21→7mm 6),Material:FR-4,CEM-1.CEM-3,High TG,FR4haolgen free,Rogers. 7),Surface ... ,PCB assemble,SMT,FPC,kwh meter case and so on. 1.6mm PCB