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7371 metal pcb circuit board products are offered for sale by suppliers on Alibaba.com, of which pcba accounts for 15%, other pcb & pcba accounts for 8%, and multilayer pcb accounts for 2%. A wide variety of metal pcb circuit board options are available to you, such as factory, odm and oem/odm.You can also choose from electronic device, communication and oem electronic metal pcb circuit board,As well as from hasl, hasl lead free metal pcb circuit board,