| BO Bank of Chengdu Co Ltd | 601838 | Financial services |
| BO Bank of Communications Co | 601328 | Financial services |
| BO Bank of Guiyang Co Ltd | 601997 | Financial services |
| BO Bank of Hangzhou Co Ltd | 600926 | Financial services |
| BO Bank of Jiangsu Co Ltd | 600919 | Financial services |
| BO Bank of Nanjing Co Ltd | 601009 | Financial services |
| BO Bank of Shanghai Co Ltd | 601229 | Financial services |
| BO Bank of Xi'An Co Ltd | 600928 | Financial services |
| BT Baoding Tianwei Baobian Electric Co Ltd | 600550 | Industrials |
| BT BaoJi Titanium Industry Co Ltd | 600456 | Basic materials |
| BI Baoshan Iron & Steel Co Ltd | 600019 | Basic materials |
| BA Baosheng | 600973 | Industrials |
| BN Baotailong New Materials Co Ltd | 601011 | Basic materials |
| BH Baotou Huazi Industry Co Ltd | 600191 | Consumer defensive |
| BC BBMG Corp Class A | 601992 | Basic materials |
| BG Befar Group Co Ltd | 601678 | Basic materials |
| BP BEH Property Co Ltd | 600791 | Real estate |
| BG Beibu Gulf Tourism Corp Ltd | 603869 | Technology |
| BE BeiGene Ltd. | 688235 | Healthcare |
| BG Beihai Gofar Marine Biological Industry Co Ltd | 600538 | Basic materials |
| BA Beijing Abt Networks Co Ltd | 688168 | Technology |
| BA Beijing Airport High-Tech Park Co Ltd | 600463 | Industrials |
| BA Beijing AriTime Intelligent Control Co Ltd | 600560 | Industrials |
| BB Beijing Balance Medical Technology Co Ltd | 688198 | Healthcare |
| BB Beijing Baolande Software Corp | 688058 | Technology |
| BB Beijing Bashi Media Co Ltd | 600386 | Consumer cyclical |
| BB Beijing Bayi Space LCD Technology Co Ltd | 688181 | Technology |
| BB Beijing Bohui Science & Technology Co Ltd | 688004 | Communication services |
| BC Beijing Caishikou Department Store Co Ltd | 605599 | Consumer cyclical |
| BC Beijing Capital Co Ltd | 600008 | Industrials |
| BC Beijing Capital Development Co Ltd | 600376 | Real estate |
| BC Beijing Changjiu Logistics Ltd | 603569 | Industrials |
| BC Beijing Chunlizhengda Medical Instruments Co Ltd | 688236 | Healthcare |
| BC Beijing Cuiwei Tower Co Ltd | 603123 | Financial services |
| BD BeiJing DaHao Technology Co Lt | 603025 | Industrials |
| BD Beijing Dalong Weiye Real Estate Development Co Ltd | 600159 | Real estate |
| BD Beijing Deep Glint Technology Co. Ltd. A | 688207 | Technology |
| BD Beijing Dynamic Power Co Ltd | 600405 | Industrials |
| BE Beijing Electronic Zone Investment and Development Group Co Ltd | 600658 | Technology |
| BF Beijing Fjr Optoelectronic Technology Co Ltd | 688272 | Technology |
| BG Beijing Gehua CATV Network Co Ltd | 600037 | Communication services |
| BG Beijing GeoEnviron Engineering | 603588 | Industrials |
| BH Beijing Haitian Ruisheng Science Technology Ltd | 688787 | Technology |
| BH Beijing Hanjian Heshan Pipeline Co Ltd | 603616 | Basic materials |
| BH Beijing Haohan Data Technology Co. Ltd. A | 688292 | Technology |
| BH Beijing Haohua Energy Resource Co Ltd | 601101 | Energy |
| BH Beijing Hotgen Biotech Co Ltd | 688068 | Healthcare |
| BH Beijing Huafeng Test & Control Technology Co Ltd | 688200 | Technology |
| BH Beijing Hualian Hypermarket Co Ltd | 600361 | Basic materials |
| BI Beijing Infosec Technologies Co. Ltd. A | 688201 | Technology |
| BI Beijing InHand Networks Technology Co Ltd | 688080 | Technology |
| BI Beijing Integrity Technology Co. Ltd. A | 688244 | Technology |
| BJ Beijing JCZ Technology Co. Ltd. A | 688291 | Industrials |
| BJ Beijing Jingcheng Machinery Electric Co Ltd | 600860 | Industrials |
| BJ Beijing Jingneng Power Co Ltd | 600578 | Utilities |
| BJ Beijing Jingpin Tezhuang Technology Co. Ltd. A | 688084 | Industrials |
| BJ Beijing Jingwei Hirain Technologies Co. Ltd. A | 688326 | Consumer cyclical |
| BJ Beijing Jingyuntong Technology Co Ltd | 601908 | Technology |
| BK Beijing Kawin Technology Share-holding Co Ltd | 688687 | Healthcare |
| BK Beijing Kingsoft Office Software In | 688111 | Technology |
| BK Beijing Konruns Pharmaceutical Co Ltd | 603590 | Healthcare |
| BL Beijing LabTech Instruments Co Ltd | 688056 | Technology |
| BL Beijing LongRuan Technologies Inc | 688078 | Technology |
| BN Beijing Navigation Control Technology Co. Ltd. | 688282 | Technology |
| BN Beijing New Space Technology Co Ltd | 605178 | Industrials |
| BN Beijing North Star Co Ltd Class A | 601588 | Real estate |
| BP Beijing Piesat Information Technology Co Ltd | 688066 | Technology |
| BQ Beijing Qianjing Landscape Co | 603778 | Industrials |
| BR Beijing Roborock Technology Co Ltd | 688169 | Industrials |
| BS Beijing Sanyuan Foods Co Ltd | 600429 | Consumer defensive |
| BS Beijing Seeyon Internet Software Cp | 688369 | Technology |
| BS Beijing Sifang Automation Co Ltd | 601126 | Industrials |
| BS Beijing SinoHytec Co. Ltd. A | 688339 | Consumer cyclical |
| BS Beijing Succeeder Technology Inc | 688338 | Healthcare |
| BS Beijing Sun Novo Pharmaceutical Research Co Ltd | 688621 | Healthcare |
| BT Beijing Teamsun Technology Co Ltd | 600410 | Technology |
| BT Beijing Tiantan Biological Products Corp Ltd | 600161 | Healthcare |
| BT Beijing Tianyishangjia New Material Corp Ltd | 688033 | Basic materials |
| BT Beijing Tieke Shougang Railway Tech Co Ltd | 688569 | Industrials |
| BT Beijing Tongrentang Co Ltd | 600085 | Healthcare |
| BT Beijing Tongyizhong New Material Technology Corp | 688722 | Consumer cyclical |
| BT Beijing Tricolor Technology Co Ltd | 603516 | Technology |
| BU Beijing United Information Technology Co Ltd | 603613 | Technology |
| BU Beijing Urban Construction Investment & Development Co Ltd | 600266 | Real estate |
| BU Beijing Urban Rural Commercial Group Co Ltd | 600861 | Industrials |
| BV Beijing Vantone Real Estate Co Ltd | 600246 | Real estate |
| BV Beijing Vastdata Technology Co Ltd | 603138 | Technology |
| BW Beijing Wandong Medical Technology Co Ltd | 600055 | Healthcare |
| BW Beijing Wantai Biological Pharmacy Enterprise Co Ltd | 603392 | Healthcare |
| BW Beijing Winsunny Pharmaceutical CO.LTD | 601089 | Healthcare |
| BW Beijing Worldia Diamond Tools Co Ltd | 688028 | Industrials |
| BY Beijing YanDong MicroElectronic Co. Ltd. A | 688172 | Technology |
| BY Beijing Yuanliu Hongyuan Electronic Technology Co Ltd | 603267 | Technology |
| BY Beijing Yupont Electric Power Technology Co Ltd | 688597 | Industrials |
| BZ Beijing ZEHO Waterfront Ecological Environment Treatment Co Ltd | 605069 | Industrials |
| BH Beijing-Shanghai High Speed Railway Co Ltd | 601816 | Industrials |
| BF Beiqi Foton Motor Co Ltd | 600166 | Consumer cyclical |
| BE Beken Corp | 603068 | Technology |
| B( Bestechnic (Shanghai) Co. Ltd. A | 688608 | Technology |
| BT Bestlink Tech Co Ltd | 603206 | Technology |