Mu Disembala 2019, coronavirus yatsopano idapezeka ku China, ndipo anthu omwe ali ndi kachilomboka amatha kufa mosavuta ndi chibayo choopsa ngati salandira chithandizo mwachangu.Pofuna kuthana ndi kufalikira kwa kachilomboka, boma la China lachitapo kanthu mwamphamvu, kuphatikiza kuletsa magalimoto komanso kulimbikitsa anthu kuti azikhala kunyumba, kuchedwetsa kubwerera kwa mafakitale komanso kutsegulidwa kwa masukulu. Pakadali pano, boma la China, pamodzi ndi WHO, Anagawana zidziwitso zonse za mliriwu padziko lonse lapansi poyera komanso mowonekera.Popewa kupewa ndi kuwongolera kotereku, mliriwu wakhala ukulamuliridwa bwino m'madera ambiri ku China, ndikuwonjezereka kwa milandu yotsimikizika m'madera ena.

Ndi miliri yomwe ili pansi pa ulamuliro, Bontai adatha kuyambiranso kupanga pa February 24, ndipo mphamvu zathu tsopano zabwezeretsedwa.Tikukuthokozani chifukwa cha thandizo lanu ndipo tipitiliza kukupatsani zinthu zabwino kwambiri.Panthawi imodzimodziyo timalandiranso makasitomala atsopano kuti abwere kudzakambirana, tili ndi zida zambiri zogwiritsira ntchito diamondi ndi kupukutira kwa dongosolo lopukuta pansi, kuphatikizapo nsapato za diamondi, mawilo a kapu ya diamondi, ma discs a diamondi ndi zida za PCD.Kugwiritsidwa ntchito pogaya konkriti zosiyanasiyana , terrazzo , miyala yapansi ndi zina zomanga pansi.