legal ground
Article 144 of the Company Law
The shares of listed companies shall be listed and traded in accordance with relevant laws, administrative regulations and trading rules of stock exchanges.
Article 145
A listed company must disclose its financial status, business operations and major lawsuits in accordance with the provisions of laws and administrative regulations, and publish its financial and accounting reports every six months in each fiscal year.
Article 143
If the registered shares are stolen, lost or destroyed, the shareholders may request the people's court to declare the shares invalid in accordance with the public notice procedure stipulated in the Civil Procedure Law of People's Republic of China (PRC). After the people's court declares the stock invalid, shareholders may apply to the company for a replacement stock.