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About product and suppliers:
        Alibaba.com offers 130,971 ac dc power supply products. About 32% of these are switching power supply, 31% are ac/dc adapters, and 1% are flow meters. 

A wide variety of ac dc power supply options are available to you, such as single, dc, and multiple. You can also choose from 1 - 50w, 301 - 400w, and 101 - 200w. As well as from 220v, 110v, and 380v. And whether ac dc power supply is free samples, or paid samples. 

There are 130,604 ac dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of ac dc power supply respectively. 

Ac dc power supply products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 31,594 with ISO9001, 10,376 with Other, and 3,054 with ISO14001 certification.