In addition to API standards, some other authoritative organizations have also formulated corresponding standards to evaluate the quality of engine oils.

BP_British Petroleum Institute DIN-German Industrial Standard ASTM- American Society for Testing and Materials ISO-International Organization for Standardization

JIS-Japanese Industrial Standard ILSAC-International Lubricant Standardization Committee

As of October 2013, we will introduce it to you Several international organizations that evaluate engine oil quality grades. The Japanese Vehicle Standards Organization is also one of the organizations that evaluates vehicle engines. It is composed of Japanese oil companies, additive companies, automobile manufacturers, and the Japanese government. The specifications formulated are applicable to Japan and Pacific countries. To supplement API testing specifications.

The U.S. Military Department, the German Military Department, and the French Military Department have also formulated their own standards to ensure the quality of military engine oil.

In addition to the above international organizations, some well-known automobile manufacturers have also formulated their own specifications. For example, Cummins of the United States, Mercedes-Benz of Germany, BMW, Volkswagen, Porsche, and Volvo Cars of Sweden have all formulated their own engine oil testing standards, which are more stringent and demanding than API standards.