... circuit board parts purchased by us* PCB board with parts assembled* Electronic testing circuit board or PCBA* Fast delivery, ... design, PCB layout, PCB manufacture, components purchasing, PCB assembly, test, packing and PCB delivery Technical Specification For PCB Number of Layer1,2 ... .2-4.0mm, Flex 0.01-0.25mmCopper Weight1.0, 1.5, 2.0 ozSolder MaskDouble-sided green LPI,Also support Red,White, ...