Singapore citizens are exempt from visa, that is, Singaporeans who go to China with ordinary passports to visit relatives and friends or do business can still enjoy visa-free treatment if their stay time is less than 15 days.

He needs to go to the Public Security Bureau to issue a residence certificate for himself in China. If you stay in a hotel, you don't have to, because the documents uploaded by the hotel can be seen by the exit-entry administration.

You can sign a one-month renewal, sign it for another month when it expires, and then you must leave the country. You need a credit card, or a certificate of $3,000 and proof of residence. You also need to prepare a 2-inch photo for visiting relatives. Residence certificate and relative certificate are required, and they can be signed for half a year or one year, depending on how the entry-exit management office approves them.

Passport is a legal document issued by a country to prove the nationality and identity of its citizens when they enter and leave the country and travel or stay abroad. The word Passport means port pass in English. In other words, a passport is a passport for citizens to pass through international ports in various countries. Therefore, some countries in the world usually issue passes instead of passports.

In China, the origin of passports can be traced back to the Warring States Period. In ancient China, people used bamboo slips, fabrics, boards, jade or paper to make seals, contracts, photos, passes and Jeff. Fu Chuan, Zheng Lu, Lu Yin and other documents entered and exited the Guanjin frontier fortress, which recorded the contents similar to modern visas.

Reference: Baidu Encyclopedia-Passport