What are the visa & residency requirements in Tianjin?

"In order to visit Tianjin, visitors must obtain a visa from the Chinese Embassy or Consulate in their home country. The visa application process typically requires applicants to submit a valid passport, a completed visa application form, a recent passport-sized photograph, and any other documents required by the Chinese Embassy or Consulate. In order to obtain residency in Tianjin, China, applicants must first obtain a residence permit from the local public security bureau. The application process typically requires applicants to submit a valid passport, a completed residence permit application form, a recent passport-sized photograph, proof of employment or study in China, and any other documents required by the local public security bureau," mentioned another expat when asked about moving to Tianjin, China.