Great Wall diesel engine oil is suitable for heavy vehicles. As long as it is suitable for vehicles, it is not necessarily suitable for small cars. Great Wall diesel engine oils are mainly Great Wall John Lone series, including John Lone T500(CI-4), John Lone T400(CH-4) and John Lone T300(CF-4). Great Wall Lubricating Oil has its applicable products in aerospace, shipbuilding, industry and other industries. Because cars are more related to people's lives, Great Wall Lubricating Oil is widely called the vehicle lubricating oil of Great Wall Lubricating Oil. Great Wall Lubricating Oil for vehicles includes automobile lubricating oil, diesel lubricating oil and motorcycle lubricating oil. Great Wall Engine Oil can be regarded as one of the best brands of domestic engine oil. Its price is graded and divided into several series. The highest price is the Jinjixing series. According to statistics, more than 90% truck drivers have encountered the phenomenon of unstable oil pressure and running red lights during long-distance driving, which has brought a lot of trouble to driving. Unstable oil pressure can easily cause oil circuit blockage, even damage the oil pressure sensor, and even cause cylinder and bearing pulling. At this time, the lubricating oil with stable oil pressure has become the first choice for truck drivers, and Great Wall John Lone series lubricating oil is a good choice. This series of products adopts high-quality base oil with good shear resistance, and the products are designed and developed by molecular theory, which greatly ensures that the lubricating oil will not be diluted at high temperature and viscous at low temperature during driving. The viscosity retention capacity at high temperature and high rotation speed exceeds the national standard 10%, and it can maintain stable viscosity under various road conditions and prolong the attenuation period, thus ensuring the stability of engine oil pressure.