Maaddaama mid ka mid ah hangarayaasha ugu tartamista badan ee shirkaddeenna, HDG-ga wax lagu dhejiyo birta birta ah ee birta lagu kiciyo loogu talagalay joojinta tubbada halkaasoo looga baahan yahay dhaq-dhaqaaq dheer iyo toosin toosan Waxayna heleen sumcad weyn adduunka, gaar ahaan Waqooyiga Ameerika, Koonfurta Ameerika, Bariga Dhexe iyo Aasiya. Sidoo kale, waxaa jira daaweyn dusha sare ah oo aad dooratay: Jilicsan, Galvanized kulul, epoxy iyo Green galvanized finish, si loo daboolo baahiyahaaga heerarka kala duwan 'anticorrosion.