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About product and suppliers:
        Alibaba.com offers 278 dongguan waterproof transformer products. About 20% of these are transformers. 

A wide variety of dongguan waterproof transformer options are available to you, such as free samples. 

There are 278 dongguan waterproof transformer suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of dongguan waterproof transformer respectively. 

Dongguan waterproof transformer products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 149 with ISO9001, 24 with Other, and 20 with ISO14001 certification.