... offer one stop 1 to 12 Layer PCB fabrication,PCB manufacturing,component sourcing, PCB Assembly,PCBA Function Test, design solution, ... ,Also support Red,White,Yellow,Blue,BlackSilk ScreenDouble-sided or single-sided in white,yellow,black,or negativeSilk Screen Min ... packing :Vacuum Package Outer packing:Standard Carton---Finished boards are vacuum packed with bubble wraps and silica gel to prevent ...