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About product and suppliers:
        Alibaba.com offers 2,419 heavy crude oil products. About 14% of these are machine oil purifier, 5% are flow meters, and 1% are crude oil. 

A wide variety of heavy crude oil options are available to you, such as heavy crude oil, light crude oil(lco). You can also choose from brent blend, opec, and dubai-oman. As well as from oil product, base oil, and derivatives. And whether heavy crude oil is free samples. 

There are 2,419 heavy crude oil suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of heavy crude oil respectively. 

Heavy crude oil products are most popular in Domestic Market, Southeast Asia, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 1,087 with ISO9001, 762 with Other, and 262 with ISO14001 certification.