I le avea ai o se taʻutaʻua taʻutaʻua, faʻatau oloa, ma fale gaosimea i Saina, Shanghai Lianfeng Gas Co., Ltd. e mitamita e faʻafeiloaʻi le matou pito sili ona lelei Cold Box Air Separation Unit. O le matou Pusa malulu Air Separation Unit ua mamanuina e vavae ese lelei le ea i ona vaega tetele, e aofia ai le nitrogen, okesene, ma le argon, e ala i se faiga faʻamama cryogenic. O lenei tekinolosi faʻatuatuaina ma taugofie e maua ai le maualuga o le mama, e faʻaogaina ai le tele o faʻalapotopotoga faʻapisinisi, e pei o le gaosiga o uʻamea, gaosiga o vailaʻau, ma le soifua maloloina. I Shanghai Lianfeng Gas Co., Ltd., matou te faʻamuamua le tulaga lelei ma le faʻatinoga, faʻamautinoa o loʻo ausia e le matou Cold Box Air Separation Unit tulaga maualuga ma tuʻuina atu iʻuga tumau, faʻatuatuaina. Faatasi ai ma o matou tomai i tekinolosi kesi ma se tautinoga i le faamalieina o tagata faatau, matou te tuuto atu i le tuuina atu o fofo fou e fetaui ma manaoga o matou tagata faatau. Fa'alagolago i le Shanghai Lianfeng Gas Co., Ltd. mo mea uma e te mana'omia e tete'a ai le ea, ma tofo i fa'amanuiaga o le matou vaega pito i luga ole Cold Box Air Separation Unit.