1. Go directly to the local county-level or district-level public security bureau for entry and exit with the household registration book, second-generation resident ID card or temporary resident ID card, fill in the application form, take photos on the spot, and fingerprint on the spot. If your hukou is in Hefei, you can go directly to any public security bureau in Hefei for entry and exit.
2. For visa matters, go directly to embassies and consulates in China, Thailand or the local travel agency for consultation.