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About product and suppliers:
        Alibaba.com offers 3,037 dvr board products. About 18% of these are other pcb & pcba, 9% are cctv dvr, and 5% are dvr card. 

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

There are 2,975 dvr board suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 98%, 1%, and 1% of dvr board respectively. 

Dvr board products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 589 with ISO9001, 238 with Other, and 113 with ISO14001 certification.