Group 1 - Zhongzheng Pengyuan Credit Rating Co., Ltd. received a warning and was ordered to rectify multiple violations, including sending rating upgrade proposals to potential rated entities [1][2][5] - The company failed to effectively isolate rating analysts from marketing personnel before signing rating agreements, and analysts conducted rating work prior to the agreements [3][5] - The company issued ratings for certain core assets before completing the necessary business registration changes, leading to insufficient reliability of the rating basis [3][5] Group 2 - Zhongzheng Pengyuan has faced multiple regulatory penalties in recent years, including a warning and a fine of 6.00995 million yuan for six violations, such as not following legal rating procedures and independence requirements [5][6] - In January 2024, the Zhejiang Securities Regulatory Bureau issued a warning letter due to the company's failure to diligently execute industry norms during a convertible bond rating [6] - Zhongyuan Futures, a subsidiary of Zhongyuan Securities, was also warned for failing to prudently verify the relationship between entrusted parties and issuers, which facilitated self-financing issuance [6][7]