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About product and suppliers:
        Alibaba.com offers 132,892 switching power supply products. About 59% of these are switching power supply, 13% are ac/dc adapters, and 1% are other beauty & personal care products. 

A wide variety of switching power supply options are available to you, such as dc, multiple, and single. You can also choose from >500w, 51 - 100w, and 1 - 50w. As well as from 110v, 220v, and 380v. And whether switching power supply is residential / general-purpose, commercial, or industrial. 

There are 131,742 switching power supply suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Turkey, which supply 98%, 1%, and 1% of switching power supply respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 25,489 with ISO9001, 13,066 with Other, and 3,067 with ISO14001 certification.