1, Class A company, Guotai Junan, China Merchants Securities, Guangfa Securities, Haitong Securities, Huatai Securities;
2. Class B companies, changjiang securities, Bohai Securities, Pacific Securities and Guodu Securities;
3. Class C companies, Century Securities, Kyushu Securities, zhongshan securities. Changjiang securities is a B-class company with a higher rating than C-class Century Securities, so changjiang securities is better.