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About product and suppliers:
        Alibaba.com offers 1,058 5w30 oil products. About 38% of these are lubricant, 16% are lubricants, and 1% are mould design & processing services. 

A wide variety of 5w30 oil options are available to you, such as free samples. 

There are 1,010 5w30 oil suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and Russian Federation, which supply 60%, 6%, and 5% of 5w30 oil respectively. 

w30 oil products are most popular in Domestic Market, Southeast Asia, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 517 with ISO9001, 378 with ISO/TS16949, and 297 with Other certification.