Which brand of fully synthetic engine oil is good?

[VonBrody]

There are many brands of fully synthetic engine oil, and its benefits are significant, including excellent lubrication, cleaning performance, high and low-temperature stability, and extended service life. Top brands of fully synthetic engine oil include: 1. Cepsa: CEPSA is the largest oil company and leading lubricant brand in Spain, ranking among the top three lubricant manufacturers in Europe. The CEPSA Group has 80 subsidiaries involved in exploration and production, refining, product marketing, petrochemicals, gas, and electricity, with sales spanning 85 countries worldwide, wielding substantial influence. 2. Mobil: One of the earliest brands to enter the Chinese market, it is highly favored by car owners for engine protection, extended maintenance intervals, and improved performance. 3. Castrol: A globally recognized lubricant expert. Castrol operates lubricant production plants in over 70 countries and has 12 technical research centers in countries such as the UK, USA, France, Germany, Italy, Japan, and Australia, ensuring its lubricants remain highly competitive.