Lambarka I ee ku jiro flange loo geeyo (H-lambarka) waxaa ka mid ah si toos ah ee qoraalka kubadda hore, sababta badbaadada carruurta iyo duqista laabo. Xirfaha TJYCT Steel waxaa ugu baahanyahay caafimaadka hot-rolled iyo lambarka galvanized ee ka mid ah marka lagu sameyn doono dhalinyarada talliil, platformyada bulshada, iyo mataanada seismic. Flangaha oo leh dhammaantii ku yidhi wuxuu ka soo baxay deflection, si ay magaaladaan u adeegsano marqaati lacagga ah in lagu sameyn doono safnaha column. Lambarkaadan waxaa u aamisay in uu ugu fududyo badbaado iyo weldability, si ay ugu sameyn doonaa inta badan framework. Sameeynuna macluumaadka ee brandaha kale oo ku yaal ArcelorMittal iyo Nippon Steel, oo ku barataa daaweynta tekniska ee projectaada ee ku jira badan.