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About product and suppliers:
        Alibaba.com offers 271,126 dc power supply products. About 37% of these are switching power supply, 1% are industrial power supply, and 1% are voltage regulators/stabilizers. 

A wide variety of dc power supply options are available to you, such as single, dual, and multiple. You can also choose from 201 - 300w, >500w, and 101 - 200w. As well as from 220v, 380v, and 110v. And whether dc power supply is free samples, or paid samples. 

There are 270,174 dc power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of dc power supply respectively. 

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 73,093 with ISO9001, 22,751 with Other, and 7,117 with ISO14001 certification.