Thaum Lub Kaum Ib Hlis 3, "2021 Tuam Tshoj tsim kom muaj kev txhim kho kom loj hlob" xeeb ntxwv qhib hauv Nanjing International Expo Center. Qhov kev nthuav tawm no yuav tsim lub platform rau thev naus laus zis, kev sib pauv, kev lag luam, thiab kev pabcuam rau kev lag luam. Los ntawm cov chaw ua yeeb yam, nws yuav txhawb nqa cov kev txhim kho kom ruaj khov ntawm cov plastics kev lag luam. Ceev rau kev txhim kho cov thev naus laus zis xws li ecological plhaw, kev tshawb nrhiav kev lag luam, thiab ua tiav cov nyiaj txiag, thiab ua tiav qib ntawm cov plastics kev lag luam plastics. Kev tsim kho kom zoo yog muab kev lees paub zoo rau lub neej zoo dua ntawm cov neeg.

Lub exhibition kav ntev li 3 hnub, nrog ib qho chaw ua yeeb yam ntawm 12,000 square metres. Nws tsom rau kev ua pa tawm ntsuab, cov khoom siv tiv thaiv hluav taws xob thiab cov khoom siv yas, cov khoom siv yas, kev tshawb nrhiav hluav taws xob, thiab kev txhim kho kev txhim kho. Cov txiaj ntsig ua haujlwm, thiab lwm yam Ntau tshaj 287 tus neeg lag luam tseem ceeb thiab 556 lub rooj muag khoom koom nrog hauv kev ua yeeb yam.