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About product and suppliers:
        Alibaba.com offers 6,428 mainboard pcb board products. About 25% of these are other pcb & pcba, 10% are elevator parts, and 6% are multilayer pcb. 

A wide variety of mainboard pcb board options are available to you, such as 8-layer, 4-layer, and 6-layer. You can also choose from free samples, paid samples. 

There are 6,466 mainboard pcb board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and Hong Kong, which supply 99%, 1%, and 1% of mainboard pcb board respectively. 

Mainboard pcb board products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,180 with ISO9001, 344 with Other, and 337 with ISO14001 certification.