Da 2016, suna daidai 1000 toni na jikin rubutu ssaw spiral gaɗuwar kaiwa daga lissafi Dagaƙo Internasuna Daxing Beijing, an yi shi a cikin rubutun laya na ganin.
ShareDa 2016, suna daidai 1000 toni na jikin rubutu ssaw spiral gaɗuwar kaiwa daga lissafi Dagaƙo Internasuna Daxing Beijing, an yi shi a cikin rubutun laya na ganin.