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About product and suppliers:
        Alibaba.com offers 166 30w triple power supply products. About 50% of these are switching power supply, 3% are inverters & converters. 

A wide variety of 30w triple power supply options are available to you, 

There are 87 30w triple power supply suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 30w triple power supply respectively. 

0w triple 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 34 with ISO9001, 11 with Other, and 2 with ISO14001 certification.