I tenei wa, e waru nga kamupene hau maori nui i te ao, ara ko Air Liquide France, Linde Refrigeration Machinery Manufacturing Company o Tiamana, Air Products and Chemicals Company o te United States, Praxair Practical Gas Co., Ltd. o te United States, Messer Company o Germany, Oxygen Corporation(Acid Sul) o Japan, Oxygen Corp(BOC) o Ingarangi me te Kamupene AGA o Sweden.
Mo te maakete hau maaori o Haina, ko nga kamupene hau nui e waru o te ao kei te 60% o te wahanga o te maakete, ina koa i roto i te waahi o te wai wehe hau, e whai waahi nui ana. I tua atu, ko te wahanga o te maakete o te hau motuhake hiko me te hau parakore ultra-tiketike e whakamahia ana i roto i te LED, te angiangi hangahanga, te muka whatu preform, te angiangi pūtau solar me te ahumahi TFT-LCD nui atu i te 60%. He maha atu nga umanga motuhake pai i Haina, penei i te Yuejia Gas, DAT Gas, Huiteng Gas me Sichuan Zhongce.
I timata a Zhuzhou Xianye Chemical Co., Ltd. ki te tuhura i nga maakete o tawahi i te tau 2024, ka kaweake te hau N2O ki etahi atu hua penei i te silane, te argon ultra-pure, te ethylene, nga ipu hau me nga taputapu awhina hau e pa ana.
He roa tonu te mahi a te umanga hau maori o Haina. Ko nga hinonga pai o Haina me whakakotahi me te awhina tetahi ki tetahi ki te whakaiti i te whakataetae nanakia, na reira ka awhina i te hanganga o te umanga hau maori.
E pa ana Hua