Why China rejects visas?

China rejects visas for a variety of reasons, including:

- National security concerns. China is a one-party state and the government is very concerned about potential threats to its national security. If you have any connections to organizations or individuals that the Chinese government considers to be a threat, your visa application may be rejected.

- Previous criminal activity. If you have a criminal record, your visa application may be rejected.

- Public health concerns. China is very strict about preventing the spread of diseases, and if you have a contagious disease, your visa application may be rejected.

- Economic reasons. China's economy is growing rapidly, and the government is concerned about protecting its domestic labor force. If you are applying for a job in China, your visa application may be rejected if the government believes that a Chinese worker could do the job instead.

- Political reasons. China is a communist state, and the government is very sensitive about political dissent. If you are known to be a political activist or if you have expressed views that are critical of the Chinese government, your visa application may be rejected.

It is important to note that China's visa policies are not always clear-cut, and there are often exceptions to the rules. If you are unsure whether or not your visa application will be rejected, it is best to consult with a Chinese immigration attorney.