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About product and suppliers:
        Alibaba.com offers 8,138 switch power supply factory products. About 46% of these are switching power supply, 17% are ac/dc adapters, and 1% are pc power supplies. 

A wide variety of switch power supply factory options are available to you, such as 1 - 50w, >500w, and 51 - 100w. You can also choose from single, triple, and multiple. As well as from on-line, standby. And whether switch power supply factory is 220v, 380v, or 110v. 

There are 8,146 switch power supply factory suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of switch power supply factory respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,197 with ISO9001, 1,055 with Other, and 153 with ISO14001 certification.