generally speaking, only regular and famous brands of lubricating oil are used, and the appropriate grade (synthetic type and mineral oil type), viscosity and grade requirements are selected according to the equipment requirements, as well as the working conditions of your equipment. In the long run, it is the most economical to use regular brand lubricants. After all, the investment in equipment is still very large now. If the production and operation stop because of oil quality problems, the loss is undoubtedly huge. Daily management is also indispensable. In short, "reasonable lubrication" is the most important. For reference!