Ma ke ʻano he hangers hoʻokūkū ʻoi loa o ka ʻoihana, hoʻonohonoho mākou i nā noho hao paipu hao HDG no ke kāpae ʻana i nā paipu kahi e koi ʻia ai ka neʻe lōʻihi. A loaʻa iā lākou kahi kaulana nui a puni ka honua, keu hoʻi ma ʻAmelika ʻĀkau, ʻAmelika Hema, Hikina Waena a me ʻAsia. Eia kekahi, aia nā ʻano lapaʻau ʻokoʻa no kāu koho: Zinc-plated, Hot Dipped Galvanized, epoxy a me Green galvanized hoʻopau, e hālāwai me kāu pae ʻokoʻa anticorrosion pono.