Gabatarwar samfur
Ƙarƙashin haɗin gwiwa: Lokacin amfani da hanyar turawa ta cantilever don gina gada, shigar da ƙananan haɗin gwiwa a ƙananan haɗin gwiwar katako na katako (firam ɗin hanci) truss, don haka ƙarshen ƙarshen jagoran jagora yana karkatar da karkatar da katako mai jagora da bambancin tsayi tsakanin bankunan biyu don sanya jagorar katako mai santsi kama dutsen a kishiyar tudu.Ƙarƙashin haɗin gwiwa na ƙasa zai iya sa kowane sashi na truss ya tashi kamar 40 cm.
ZhenJiang Great Wall Heavy Industry Technology Co.ltd (a nan da kuma bayan da ake kira Great Wall ) yana cikin birnin Zhenjiang, kudancin kogin Yangtze, mallakar yankin tattalin arziki na kogin Yangtze, mallakar tashar jirgin kasa na Shanghai-Nanjing da Shanghai-Beijing manyan hanyoyin jirgin kasa;Nisan kilomita 30 daga tashar jiragen ruwa na Zhenjiang, kilomita 50 daga filin jirgin sama na Changzhou, kilomita 70 daga filin jirgin saman Nanjing, da filin jirgin saman Yangzhou Taizhou;Babban bango ya wuce Takaddun Tsarin Gudanar da Ingancin ISO;WPS da welders sun wuce takaddun BV;Ana karɓar albarkatun ƙasa da samfuran da aka gama ta Cibiyar Gwaji ta Duniya ta Uku kamar SGS, CCIC, CNAS da sauransu;Bugu da kari, Babban bango yana da haƙƙin mallaka na R & D da yawa.
321-Type (British Karamin-100) prefabricated babbar hanya karfe gada da 200-Type prefabricated babbar hanyar karfe gada ( Bailey gada) su ne manyan kayayyakin na Great Wall, wanda yana da cikakken sa na sassa samar line ga cikakken bailey gada saita.Fiye da wannan, Babban bango ya ƙera wani nau'in gadar D-Type mai girma wanda tsawonsa guda ɗaya zai iya kaiwa mita 91, kuma ya kammala gwajin lodin riga da aikin injiniya na gada duka.
