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About product and suppliers:
        Alibaba.com offers 58,409 main board products. About 4% of these are other pcb & pcba, 1% are power distribution equipment, and 1% are advertising boards. 

A wide variety of main board options are available to you, such as free samples, paid samples. 

There are 58,071 main board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of main board respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6,772 with Other, 6,766 with ISO9001, and 1,983 with ISO14001 certification.