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 Inquiry letters refer to when the Shanghai Stock Exchange and Shenzhen Stock Exchange find problems that do not meet the "direct supervision standards" (generally manifested as inaccurate or incomplete information disclosure) during the review of relevant announcements of listed companies. , will issue inquiry letters regarding financial reports, mergers and acquisitions, related transactions, abnormal stock fluctuations and social hot topics reported by the media, detailing the specific terms of relevant regulatory rules, and requiring listed companies to combine the listed terms with their own behavior Provide explanations, supplementary disclosures and error corrections within the specified time, or require the listed company's legal advisors and financial advisors to express targeted opinions. Regardless of whether it is sending a letter or replying to a letter, the exchange requires listed companies to make public disclosures in a timely manner. If the listed company still has problems with inaccurate or incomplete information disclosure, the exchange will issue a second inquiry letter or even a third inquiry letter. The form of supervision with inquiry letters as the carrier is an important means for my country's stock exchanges to conduct daily supervision of listed companies.

  The widespread adoption of the inquiry letter system stems from the information disclosure through-train reform in 2013. After the reform, the focus of the exchange's supervision of the financial reports of listed companies shifted from ex-ante supervision to ex-post supervision. The inquiry letter is an ex-post supervision. One of the main ways of supervision. Obviously, the inquiry letter is an important way to increase information disclosure. Its timely and professional nature allows us to not only understand the content and intensity of the exchange's supervision of listed companies, but also analyze and evaluate relevant listed companies. Corporate governance capabilities and potential risks will also have an impact on the decision-making of stakeholders.

 CnOpenData platform's A-share listed company exchange inquiry letter database covers inquiry letters from the Shanghai Stock Exchange, as well as inquiry letters and responses from the Shenzhen Stock Exchange, providing a data basis for case analysis and large-sample empirical research.


Time interval

All data before 2021.10.31


Field display

A-share listed company Shanghai Stock Exchange inquiry letter fields

A-share listed company Shanghai Stock Exchange inquiry letter fields Description
Company code The stock code of the company being inquired
Company abbreviation Abbreviation of the company being inquired
Date of sending letter Date of sending inquiry letter
Types of regulatory inquiries Types of regulatory inquiries
Title Title of inquiry letter
Document name Specific PDF name of the inquiry letter

A-share listed company Shenzhen Stock Exchange inquiry letter fields

A-share listed company Shenzhen Stock Exchange inquiry letter fields Description
gsdm The stock code of the company being inquired
gsjc Abbreviation of the company being questioned
fhrq Date of sending inquiry letter
ck Specific PDF name of the inquiry letter
hfck Specific PDF name of reply to inquiry letter

Sample data

Sample data of inquiry letters from A-share listed companies on the Shanghai Stock Exchange

Company Code Company abbreviation Date of sending letter Types of regulatory inquiries Title Document name
600828 Maoye Business 2020-01-02 Inquiry letter Inquiry letter about Maoye Commercial Co., Ltd. 8137872942204335.pdf
600146 Shangying Global 2019-12-31 Inquiry letter Inquiry letter regarding matters related to asset disposal and donation of Shangying Global Co., Ltd. 8137872942044733.pdf
600966 Bohui Paper 2019-12-31 Inquiry letter Inquiry letter regarding the change of control of Shandong Bohui Paper Co., Ltd. 8137872941990573.pdf
600246 Wantong Real Estate 2019-12-31 Inquiry letter Inquiry letter about Beijing Wantong Real Estate Co., Ltd. 8137872941955660.pdf
600515 Hainan Airlines Basics 2019-12-30 Inquiry letter Inquiry letter about HNA Infrastructure Investment Group Co., Ltd. 8137872941850898.pdf
603555 Guirenniao 2019-12-30 Inquiry letter Inquiry letter about Guirenniao Co., Ltd. 8137872941850006.pdf
603335 Dishengli 2019-12-30 Inquiry letter Inquiry letter regarding the transfer of part of the equity of a wholly-owned subsidiary of Guangdong Dishengli Auto Parts Co., Ltd. 8137872941847613.pdf
603356 Valin Seiko 2019-12-30 Inquiry letter Inquiry letter about Xuancheng Valin Precision Technology Co., Ltd. 8137872941846178.pdf
601028 Yulong Shares 2019-12-26 Inquiry letter Inquiry letter regarding matters related to the transfer of debts of Jiangsu Yulong Steel Pipe Co., Ltd. 8137811857535715.pdf
600677 Aerospace communications 2019-12-25 Inquiry letter Inquiry letter regarding matters related to the guarantee performance of Smart Shanghai Pai by Aerospace Communications Holding Group Co., Ltd. 8137811857398641.pdf
600067 Guancheng Chase 2019-12-25 Inquiry letter Inquiry letter about Guancheng Datong Co., Ltd. 8137811857387430.pdf
600671 Tianmu Pharmaceutical 2019-12-24 Inquiry letter Inquiry letter about Hangzhou Tianmushan Pharmaceutical Co., Ltd. 8137811857251741.pdf
600393 Yuetai Shares 2019-12-23 Inquiry letter Inquiry letter regarding related transactions of Guangzhou Yuetai Group Co., Ltd. 8137811857108904.pdf
603766 Loncin General 2019-12-23 Inquiry letter Inquiry letter about Loncin General Power Co., Ltd. 8137811857106546.pdf
600818 Zhonglu Shares 2019-12-23 Inquiry letter Inquiry letter regarding the sale of assets by Zhonglu Co., Ltd. 8137811857101332.pdf
600291 Xishui Shares 2019-12-23 Inquiry letter Inquiry letter about Inner Mongolia Xishui Venture Co., Ltd. 8137811857101073.pdf
603396 Jinchen Shares 2019-12-23 Inquiry letter Inquiry letter about Yingkou Jinchen Machinery Co., Ltd. 8137811857093101.pdf
603028 Saifutian 2019-12-23 Inquiry letter Inquiry letter regarding matters related to changes in the equity of the controlling shareholder of Jiangsu Saifutian Steel Cable Co., Ltd. 8137811857085101.pdf
600146 Shangying Global 2019-12-22 Inquiry letter Second inquiry letter regarding matters related to non-cash asset performance compensation of Shangying Global Co., Ltd. 8137811856924480.pdf
600146 Shangying Global 2019-12-20 Inquiry letter Inquiry letter regarding matters related to performance compensation of Shangying Global Co., Ltd. 8137750772701100.pdf
600882 Miaokelando 2019-12-20 Inquiry letter Inquiry letter about Shanghai Miao Ke Landuo Food Technology Co., Ltd. 8137750772699466.pdf
601991 Datang Power Generation 2019-12-20 Inquiry letter Inquiry letter about Datang International Power Generation Co., Ltd. 8137750772697780.pdf
600189 Jilin Forest Industry 2019-12-20 Inquiry letter Inquiry letter about Jilin Forest Industry Co., Ltd. 8137750772691112.pdf
600651 Feile Audio 2019-12-20 Letter of review opinions on major asset restructuring plan Letter of review opinions on the major asset reorganization plan of Shanghai Feile Audio Co., Ltd. 8137750772678862.pdf
603063 Hewang Electric 2019-12-19 Inquiry letter Inquiry letter about Shenzhen Hewang Electric Co., Ltd. 8137750772531487.pdf
601700 Fengfan Shares 2019-12-19 Letter of review opinions on major asset restructuring plan Letter of review opinions on the major asset reorganization plan of Changshu Fengfan Electric Power Equipment Co., Ltd. 8137750772529041.pdf
600712 Nanning Department Store 2019-12-18 Inquiry letter Inquiry letter regarding changes in shareholders’ equity of Nanning Department Store Co., Ltd. 8137750772354029.pdf
600556 ST Wisdom Ball 2019-12-17 Inquiry letter Inquiry letter about Guangxi Huijin Technology Co., Ltd. 4967575.pdf
600614 *ST Pengqi 2019-12-17 Inquiry letter Inquiry letter about Pengqi Technology Development Co., Ltd. 8137750772241081.pdf

Sample data of inquiry letters from Shenzhen Stock Exchange of A-share listed companies

gsdm gsjc fhrq hjlb ck hfck
300064 Yu Diamond 2020-01-02 Letter of concern NMK30006430790.pdf
300146 By-Health 2019-12-31 Letter of concern NMK30014630786.pdf
300307 Cixing Shares 2019-12-31 Inquiry letter NMK30030730780.pdf
300269 Lianjian Optoelectronics 2019-12-31 Letter of concern NMK30026930777.pdf
300364 Chinese Online 2019-12-30 Letter of concern NMK30036430772.pdf
300773 Lakala 2019-12-30 Letter of concern NMK30077330765.pdf NMK300773307651700HF.pdf
300178 Tembon International 2019-12-26 Letter of concern NMK30017830748.pdf NMK300178307481699HF.pdf
300537 Guangxin Materials 2019-12-25 Letter of concern NMK30053730720.pdf NMK300537307201698HF.pdf
300116 Jian Rui Wo Neng 2019-12-24 Letter of concern NMK30011630740.pdf NMK300116307401695HF.pdf
300221 Jubilee Technology 2019-12-24 Inquiry letter NMK30022130715.pdf NMK300221307151701HF.pdf
300174 Yuanli Shares 2019-12-22 Inquiry letter NMK30017430704.pdf NMK300174307041694HF.pdf
300234 Kail New Materials 2019-12-19 Letter of concern NMK30023430709.pdf NMK300234307091690HF.pdf
300431 Storm Group 2019-12-19 Letter of concern NMK30043130698.pdf
300269 Lianjian Optoelectronics 2019-12-18 Inquiry letter NMK30026930665.pdf NMK300269306651697HF.pdf
300252 Kingxinnuo 2019-12-18 Letter of concern NMK30025230682.pdf NMK300252306821692HF.pdf
300153 Cotech Power Supply 2019-12-17 Letter of concern NMK30015330691.pdf NMK300153306911688HF.pdf
300167 Diweixun 2019-12-17 Letter of concern NMK30016730684.pdf NMK300167306841691HF.pdf
300364 Chinese Online 2019-12-17 Inquiry letter NMK30036430655.pdf NMK300364306551696HF.pdf
300132 Qingsong Shares 2019-12-17 Inquiry letter NMK30013230679.pdf NMK300132306791693HF.pdf
300152 Keron Environment 2019-12-17 Letter of concern NMK30015230656.pdf NMK300152306561689HF.pdf
300586 Melian New Materials 2019-12-16 Letter of concern NMK30058630663.pdf NMK300586306631686HF.pdf
300099 Accurate information 2019-12-16 Inquiry letter NMK30009930660.pdf NMK300099306601687HF.pdf
300461 Tanaka Seiki 2019-12-13 Letter of concern NMK30046130648.pdf NMK300461306481682HF.pdf
300228 Fu Rui's special outfit 2019-12-13 Inquiry letter NMK30022830650.pdf NMK300228306501685HF.pdf
300111 Sunflower 2019-12-11 Non-licensed restructuring inquiry letter NMK30011130625.pdf NMK300111306251684HF.pdf
300310 Yitong Century 2019-12-11 Letter of concern NMK30031030631.pdf NMK300310306311683HF.pdf
300128 Jinfu Technology 2019-12-10 Letter of concern NMK30012830620.pdf NMK300128306201678HF.pdf
300003 Lepu Medical 2019-12-10 Inquiry letter NMK30000330601.pdf NMK300003306011674HF.pdf
300341 McAudi 2019-12-09 Inquiry letter NMK30034130607.pdf NMK300341306071677HF.pdf

Related literature

  • Chen Yunsen, Deng Yilu, and Li Zhe, 2018: "Does non-punitive regulation have information content? - Evidence based on inquiry letters", "Financial Research" Issue 4.
  • Chen Yunsen, Deng Yilu, and Li Zhe, 2019: "Research on the Effectiveness of Front-line Supervision of Stock Exchanges: Evidence Based on Financial Report Inquiry Letters", "Management World" Issue 3.
  • Li Xiaoxi, Yang Guochao, and Rao Pingui, 2019: "Do exchange inquiry letters have a regulatory role? - Text analysis based on merger, acquisition and reorganization reports", "Economic Research" Issue 5.
  • Zhang Junsheng, Tang Xiaojian, and Li Guangzhong, 2018: "Can preventive supervision suppress the risk of stock price crash? - A study based on the exchange's annual report inquiry letter", "Journal of Management Science" No. 10.

Data update frequency

Annual Update

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