Fr4 single layer pcb

1494 fr4 single layer pcb products are offered for sale by suppliers on Alibaba.com, of which pcba accounts for 29%, other pcb & pcba accounts for 19%, and multilayer pcb accounts for 13%. A wide variety of fr4 single layer pcb options are available to you, such as manufacturer, oem and factory.You can also choose from electronic device, communication and oem electronic fr4 single layer pcb,as well as from hasl, hasl lead free, and enig fr4 single layer pcb,