23504 4 layered pcb products are offered for sale by suppliers on Chovm.com, of which pcba accounts for 42%, other pcb & pcba accounts for 30%, and ckd kits and parts accounts for 1%.
A wide variety of 4 layered pcb options are available to you, such as green, black and blue.You can also choose from hasl, hasl lead free 4 layered pcb,as well as from manufacturer, oem, and factory 4 layered pcb, and whether 4 layered pcb is pcba, electronic board, or home appliance pcba.