Zhongquan rating is not among the top ten rating agencies. The business scope of Zhongquan Rating Company is mainly to provide appraisal services for coin collectibles, including coin grading service, art appraisal service and antique miscellaneous appraisal service. In addition, Zhongquan Rating Company is also committed to providing all-round services such as information, consultation, evaluation and trading for the collectible market to meet the different needs of different customers.