A) 2015
B) 2016
C) 2017 ✓
D) 2018
Secretary-General: Vladimir Norov
Headquarters: Beijing, China
Official language: Chinese and Russian
Founded: June 15, 2001
Founders: China, Russia, Kazakhstan, Uzbekistan, Tajikistan, Kyrgyzstan
A) 2015
B) 2016
C) 2017 ✓
D) 2018