Where to apply for an airport transit visa?

My place of residence My visa application should be submitted to
Beijing consular area:
All other residents of China
Embassy of Switzerland in Beijing:
Appointment through VFS Global
Shanghai consular area:
Residents of Shanghai, Jiangsu, Anhui and Zhejiang
General Consulate of Switzerland in Shanghai: Appointment through VFS Global
Guangzhou consular area:
Residents of Guangdong, Fujian, Guangxi, Hainan, Jiangxi and Hunan
General Consulate of Switzerland in Guangzhou: Appointment through VFS Global
Hong Kong consular area:
Residents of Hong Kong and Macau
Consulate General of Switzerland in Hong Kong: Appointment through VFS Global
Mongolia Embassy of Switzerland in Beijing:
Appointment through VFS Global
People's Republic of Korea (DPRK) Embassy of Switzerland in Beijing