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About product and suppliers:
        Alibaba.com offers 196 duo dvd products. such as paid samples. 

There are 196 duo dvd suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of duo dvd respectively. 

Duo dvd products are most popular in Western Europe, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 59 with ISO9001, 31 with Other, and 12 with ISO14001 certification.