This is because a new international order has been formed.
Today, SCO occupies 60% of the Eurasian continent due to the regular accession of India and Pakistan, and the total population of the member countries exceeds 3 billion and accounts for nearly half of the world population. Mongolia, Afghanistan, Iran, Turkey and ASEAN have been also engaged in an unofficial form.
Also SCO is accounted for 60% of the Eurasian continent by the full member of Pakistan, the total population of the member countries accounting for nearly half of the world's population more than 3 billion.
And Mongolia, Afghanistan, Iran, Turkey, as well, such as ASEAN participate in various ways.
It is said that many African and anti-American-oriented Latin American countries are expecting SCO to develop as a force  to counter NATO.