... One stop service for PCB design, PCB layout, PCB manufacture, components purchasing, * PCB assembly, test, packing and PCB delivery Technical Specification For PCB : Number of ... 4.0mm, Flex 0.01-0.25mmCopper Weight1.0, 1.5, 2.0 ozSolder MaskDouble-sided green LPI,Also ... kind of material,or UL certificate upon customers' requirement.1,material supply and inspection2,process control and testBest after- ...