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About product and suppliers:
        Alibaba.com offers 1,117 29v dc adapter products. About 11% of these are switching power supply, 10% are adapters. 

A wide variety of 29v dc adapter options are available to you, such as free samples, paid samples. 

There are 1,038 29v dc adapter suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Poland, which supply 97%, 2%, and 1% of 29v dc adapter respectively. 

9v dc adapter products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 325 with ISO9001, 58 with Other, and 11 with ISO14001 certification.