In all, nine nations were suspended by the International Weightlifting Federation (IWF) for a year with Armenia, Azerbaijan, Belarus, Moldova, Kazakhstan, Turkey and Ukraine all sitting out the world championships in California from November 28-December 5.
The suspension was met with shock by Russia, which has been accused of widespread state-sponsored doping in recent years.
"I don't see the good in this decision and I don't understand the point," Russian team coach Nikola Kolesnikov told R-Sport agency.
"We have changed the executives of the federation. The officials who sinned are no longer there. We exist under the rules, we do 60 checks a week. Our guys have prepared themselves very seriously, and now they have tears in their eyes."
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Chinese weightlifters will also miss the 2018 Asian Games as a consequence of the doping clampdown.
"At the IWF we have made it clear that the incidence of doping in some areas is totally unacceptable and that our members have a responsibility to ensure clean sport in their countries," said IWF president Tamas Ajan.
"But we will not turn our backs on them; we will continue to work with them, WADA and their National Anti-Doping Agencies to support their anti-doping activities and help make cultural change."
Russia was also banned from the weightlifting event at the 2016 Olympics in Rio.