La ring coffee belongs to the middle grade, La ring coffee was founded in 1895, is the top coffee brand in Italy, but also the world's third largest coffee roaster. The business covered includes instant, capsule, coffee beans, coffee powder, coffee machines and so on. Grade refers to the rank or level of how good or bad something is. It can be categorized and ranked according to certain criteria, and is usually divided into high, medium, and low grades, such as high-grade, medium-grade, and low-grade. This concept can be used to describe the division of things such as commodities, products, wages, etc., but cannot be used to describe the status of people. For example, the grade of a hospital can refer to its medical equipment, quality of service and other aspects of the grade; while a person's grade refers to its social status, cultural level and other aspects of the level.