Group 1 - The 3A credit rating certification is a third-party evaluation of a company's creditworthiness, similar to a personal credit score, with higher ratings providing competitive advantages in bidding and business negotiations [3] - The certification process requires selecting a reputable institution, preferably those recognized by the central bank or provincial credit associations, to avoid scams [4] - The cost of obtaining a 3A credit rating certification typically ranges from 1,000 to 3,000 yuan, depending on factors such as company size and industry type, with larger companies potentially facing higher fees [4] Group 2 - Required documentation for the certification includes business licenses, identification of legal representatives, financial statements for the past three years, tax registration certificates, and company profiles [4] - After submitting the application, the institution will conduct a review focusing on financial health, administrative penalties, and contract fulfillment, with some institutions possibly conducting phone interviews or site visits for larger companies [7] - Upon successful review, the certification will be publicly announced for 7 to 15 days, after which the official AAA credit rating certificate will be issued, and its authenticity can be verified on relevant platforms [7]