What is a 3A certificate?

3a is a hierarchy. 3a enterprises refer to enterprises whose credit has reached the 3a credit standard through industry and organization evaluation, and the evaluated enterprises will receive plaques and certificates issued by the organization. This certificate is the 3a credit certificate of the enterprise, and its most direct function is to serve as the credit certificate of the enterprise in bidding, government procurement and engineering construction, so as to help bidders gain extra points in bidding.