Shanghai Lianfeng Gas Co., Ltd. o se taʻutaʻua gaosi oloa, faʻatau, ma fale gaosi oloa Vpsa Oxygen Plant Process i Saina. O la matou Vpsa Oxygen Plant Process ua mamanuina e vavae ese lelei le okesene mai le ea e faʻaaoga ai le faʻaogaina o le Vacuum Pressure Swing Adsorption (VPSA). O lenei tekinolosi faʻatekonolosi e mafai ai ona gaosia le okesene mama maualuga mo le tele o faʻaoga faʻapisinisi. O la matou Vpsa Oxygen Plant Process e faʻatuatuaina, taugofie, ma faigofie ona faʻaogaina, ma avea ai ma filifiliga sili mo pisinisi o loʻo vaʻavaʻai e gaosia a latou lava okesene. Faatasi ai ma se faamamafa malosi i luga o le lelei ma le faatinoga, Shanghai Lianfeng Gas Co., Ltd. faamautinoa o lo tatou Vpsa Oxygen Plant Process e ausia tulaga maualuga o alamanuia. Pe o oe i le falemaʻi, siosiomaga, poʻo le gaosiga o gaosiga, o la matou Vpsa Oxygen Plant Process e mafai ona faʻamalieina ou manaʻoga o le gaosiga o le okesene. Fa'alagolago i le Shanghai Lianfeng Gas Co., Ltd. e tu'uina atu ia te oe se Vpsa Oxygen Plant Process pito i luga o le laina lea e tu'uina atu le okesene tumau ma maualuga mo au fa'agaioiga.