Which countries have signed social insurance mutual exemption agreements with China?

At present, China has signed with Albania, Argentina, Armenia, Azerbaijan, Bangladesh, Chile, Bulgaria, Bolivia, Belarus, Russia, Benin, Colombia, Croatia, Czech Republic, Slovakia, Cyprus, Ecuador, Georgia, Cuba, Hungary, Iran, Kazakhstan, North Korea, Jordan, Laos, Jamaica, Maldives, Lithuania and Mongolia. Peru, Poland, Pakistan, Myanmar, Slovenia, Sudan, Seychelles, San Marino, Ukraine, Turkey, Turkmenistan, Thailand, Tajikistan, Uruguay, Venezuela, Guyana, Kyrgyzstan, Vietnam, Yugoslavia and Bosnia and Herzegovina. According to the agreement, foreigners holding ordinary diplomatic and official passports of these countries can enter the mainland visa-free.

Russian citizen group travel visa-free.

In fact, ordinary citizens with personal passports are not allowed to visit countries that have visa-free agreements with China. Even if you can, you can only travel in groups.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.