legal ground
Article 16 of the Patent Law of People's Republic of China (PRC)
An inventor or designer has the right to state clearly in the patent document that he is an inventor or designer.
The patentee has the right to indicate the patent mark on his patented product or the packaging of the product.
Article 17
If a foreigner, foreign enterprise or other foreign organization that has no habitual residence or business office in China applies for a patent in China, it shall be handled in accordance with the agreement signed between the country to which it belongs and China or the international treaties to which it is a party, or in accordance with the principle of reciprocity.