Lubricating oil plays a very important role in automobile running. There are so many brands of lubricants that consumers don't know which one to choose. Take a look at the introduction! Brand introduction 1: Shell Royal Dutch Shell Oil Company, major lubricant supplier at home and abroad, global energy and chemical group, top ten petrochemical brands, Shell Limited). Brand introduction 2: Mobil Mobil 1882 was established in the United States, the world's largest private oil and gas producer, a large multinational group company, a world-famous brand, ExxonMobil Investment Company). Brand introduction 3: China Petrochemical, Great Wall Lubricant, is a famous trademark in Beijing, and participates in formulating the industrial standard of synthetic brake fluid, a world-renowned lubricant production and sales group, and China Petrochemical Lubricant Co., Ltd.). Brand introduction 4: Ten brands of Kunlun lubricants, a professional lubricant company under China Petroleum, which integrates production/R&D/sales/service, and China Petroleum Lubricant Branch). The above are four famous brands of lubricants. Friends in need can consider it. Only by choosing suitable lubricating oil can the service life of the machine be prolonged, so the quality of lubricating oil is very important!