Environmental group claims Chinese delegation went on an ivory buying spree in 2014 . It cites local traders saying the ivory was sent back to China on the presidential budget . Tanzania 's government has not responded to international requests for comment on the matter . Tanzania had equivalent of 30 elephants a day in 2013 , environmental group claims .
Environmental group claims Chinese delegation went on an ivory buying spree in Tanzania . It cites local traders saying the ivory was sent back to China on the presidential plane . China 's government has not responded to CNN requests for comment on the claims . Tanzania lost equivalent of 30 elephants a day in 2013 , environmental group says .