Coffee Common sense Coffee Bean quality Identification method

The quality of coffee beans is rated by cup testers (CUPPER) of several international coffee auction organizations, and is divided into five grades: grade 1 (Cup of Excellence): more than 84 points, small yield rare specialty coffee beans (winning at auction); level 2 (Specially): more than 80 points, special coffee beans, accounting for only 2% of the total global coffee bean production ratio; level 3 (Good grade commercial): high-quality commercial beans Level 4 (Basic Commercial): ordinary commercial beans, the above two can be found in chain fast food coffee shops; level 5: ungraded coffee beans (Off-grade), poor quality or defective coffee beans.