Ndi zaka zoposa 20 zaukadaulo, Qingdao Director Steel Structure Co., Ltd. imadziwika kwambiri popanga ndi kumanga nyumba zachitsulo zotsika mtengo zama projekiti amalonda, mafakitale, ndi apadera padziko lonse lapansi. Timagwira ntchito kuchokera ku malo okwana 40,000 m² okhala ndi antchito aluso opitilira 200, timapanga matani 30,000 a H-beams pachaka pamodzi ndi mayankho athunthu a cladding. Mwa kuphatikiza kapangidwe ka zomangamanga mkati mwa nyumba ndi kupanga kwathunthu ndi kukhazikitsa pamalopo, timapereka chidziwitso chomanga chosavuta, kuyambira kumapeto mpaka kumapeto. Timadzitamandira ndi umphumphu ndi luso laukadaulo, ndikuwonetsetsa kuti ntchito iliyonse—kuyambira ma hangar mpaka nyumba zazitali—ikukwaniritsa zofunikira kwambiri zamakampani.