legal ground
Article 8 of the Company Law of People's Republic of China (PRC)
A limited liability company established in accordance with this law must indicate the words limited liability company or limited company in its name. A joint stock limited company established in accordance with this law must indicate the words joint stock limited company or joint stock company in its name.
Article 9 of the Company Law of People's Republic of China (PRC)
When a limited liability company is changed into a joint stock limited company, it shall meet the conditions of a joint stock limited company as stipulated in this Law. When a joint stock limited company is changed into a limited liability company, it shall meet the conditions of a limited liability company as stipulated in this Law. Where a limited liability company is changed into a joint stock limited company, or a joint stock limited company is changed into a limited liability company, the creditor's rights and debts before the company change shall be inherited by the changed company.