Excuse me, my fiancé is a Singaporean. He helped me apply for EVISA. I have PRINT OUT. Regarding the number of days of stay,

Help and answer: If you enter my country with an Entry Visa, you will generally be given a Visit Pass for 14-30 days after arrival, depending on the my country Airport Immigration and Checkpoints Bureau official. Before the Visit Pass expires, you can apply for a 30-day extension. Whether it is successful or not depends on the Immigration and Checkpoints Authority of my country.

The marriage registration procedures for Chinese citizens do not require approval from any department. Only foreigners holding WP locally must obtain approval from the relevant departments.