Maaddaama mid ka mid ah hangarayaasha ugu tartamada badan shirkadda, birta haysa birteenna waa UL la oggolaaday. Waxayna ka heleen sumcad weyn adduunka, gaar ahaan Waqooyiga Ameerika iyo Aasiya. Sidoo kale, waa loo qaabeyn karaa si waafaqsan shuruudahaaga, tusaale ahaan, waxaa loogu qaabeyn lahaa caag, wax lagu dhejiyo ama gaashaan. Oo waxaa jira daaweyn dusha sare ah oo aad dooratay: Pre-galvanized, Zinc plated, epoxy iyo Green galvanized finish si aad ula kulanto heerarkaaga kala duwan 'baahiyaha xinjirowga.