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About product and suppliers:
        Alibaba.com offers 55,964 transformer oil products. About 44% of these are transformers, 26% are machine oil purifier, and 9% are testing equipment. 

A wide variety of transformer oil options are available to you, such as power, current, and instrument. You can also choose from three, single, and single phase. As well as from free samples, paid samples. 

There are 54,373 transformer oil suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Turkey, which supply 98%, 1%, and 1% of transformer oil respectively. 

Transformer oil products are most popular in Domestic Market, Africa, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 30,729 with ISO9001, 7,059 with Other, and 3,778 with ISO14001 certification.