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5708 pcb sample board products are offered for sale by suppliers on Alibaba.com, of which other pcb & pcba accounts for 22%, pcba accounts for 13%, and rigid pcb accounts for 3%. A wide variety of pcb sample board options are available to you, such as factory, odm and oem/odm.You can also choose from electronic device, communication and oem electronic pcb sample board,As well as from hasl, hasl lead free pcb sample board,