Excuse me, how to apply for a single certificate in Myanmar?

A certificate issued by the notary office of the country or the embassy (consulate) of the host country that I have no spouse.

according to the regulations on marriage registration, a foreigner applying for marriage should have a certificate issued by the notary office or the competent authority of the host country, which is certified by the Chinese people and the Chinese embassy (consulate) in that country or the Chinese embassy (consulate) in that country, or a certificate issued by the Chinese embassy (consulate) in that country that he has no spouse.

Extended information:

The Ministry of Civil Affairs, on the basis of soliciting the opinions of the major departments that use marriage certificates, such as the Ministry of Education, the Ministry of Justice, the Ministry of Housing and Urban-Rural Development, and the China Banking Regulatory Commission, issued a notice saying that from the date of publication of the document, except for notarized matters related to Taiwan and notarized matters in nine countries such as Kazakhstan, it can continue to issue certificates to protect the legitimate rights and interests of mainland residents and Chinese citizens.

As of October 29th, 215, Beijing, Tianjin, Shanghai, Chongqing, Hebei, Shanxi, Liaoning, Heilongjiang, Jiangsu, Anhui, Shandong, Henan, Hubei, Guangdong, Hainan, Sichuan, Guizhou, Yunnan, Shaanxi, Gansu, Inner Mongolia and other provinces have closed their "single certificate", and some cities in Jiangxi and other provinces are no longer open.

References:

Baidu Encyclopedia-Foreign Marriage

Baidu Encyclopedia-Single Certificate.