Where can I get those documents for going abroad?

There is only one certificate, that is, passport. But it's not enough to have a passport. You have to go to the consulate to go through the visa formalities. Generally speaking, passports are handled at the public security bureau of prefecture-level cities, and visas are handled at the consulate of the intended country.

Application for passport:

Citizens only need to bring the original and photocopy of their ID cards and household registration books to the local police station to apply for private passports!

Residents of municipalities directly under the central government shall handle it at the Municipal Exit-Entry Administration Center. (For example, residents with registered permanent residence in Beijing should handle it at Beijing Exit-Entry Administration Center, residents with registered permanent residence in Shenzhen Special Zone should handle it at Exit-Entry Administration Center of Municipal Public Security Bureau, and residents in Futian District can handle it at Futian Branch of Shenzhen citizens nearby). It's best to call the local exit-entry administration center in advance and ask where to handle your residence.

Visa application: (Passport, photo, copy of ID card and household registration book, proof of unit, proof of employment, proof of economic ability and other necessary materials are required. The destination country is different, not all the required materials need the above certification materials! For example, visas for Southeast Asian countries can be processed by providing passports and photos.

It takes 1-3 working days to apply for a visa to Southeast Asia.

It takes 5-7 working days to apply for a Japanese and Korean visa.

Visa for other Asian countries takes 7- 10 working days.

Generally, it takes 5 working days for each embassy to review European visas, but an appointment is required in advance. (The appointment period is 30 days long and 1-2 days short)

The results will be known within 0/working days of the US-Canada visa/KLOC, but you need to make an appointment for an interview one month in advance.

African visas take 7- 15 working days, such as Egypt, South Africa, Tanzania and Kenya.