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About product and suppliers:
        Alibaba.com offers 1,365 waterproof transformer box products. such as free samples, paid samples. 

There are 1,365 waterproof transformer box suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 99%, 1%, and 1% of waterproof transformer box respectively. 

Waterproof transformer box products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 473 with Other, 311 with ISO9001, and 13 with ISO14001 certification.