And high quality engine oils of 5W/40 viscosity grade satisfying recent ACEA specification and European OEMs requirements, can be developed by VHVI base oil without PAO.
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- 而且在不用PAO油的条件下,完全用VHVI油也能够开发出符合最新ACEA规格和欧洲OEM要求的5W/40粘度等级的高品质发动机油。