Where an applicant applies for a patent for invention or utility model for the first time in a foreign country within twelve months, or for a patent for design for the first time in a foreign country within six months, and applies for a patent on the same theme of China wine, he may enjoy the priority according to the agreement signed by the foreign country and China or the international treaties to which both countries are parties, or according to the principle of mutual recognition of priority.
An applicant who files an application for a patent for invention or utility model in China for the first time within 12 months on the same subject may enjoy priority.
So you can refer to this, or consult Beijing Shiyu Xincheng Law Agency, where there are professional consultants to consult for you.