Fa'ailoaina o le Pressure Swing Adsorption Nitrogen Generation, o se oloa fa'atosina mai Shanghai Lianfeng Gas Co., Ltd. Faatasi ai ma le sili atu i le 20 tausaga o le poto masani i le alamanuia, oi matou o se taʻutaʻua taʻutaʻua, faʻatau oloa, ma fale gaosi mea faʻapipiʻi eletise i Saina. O la matou Pressure Swing Adsorption Nitrogen Generation technology e faʻaaogaina le mataupu faavae o le adsorption e vavae ese ai le nitrogen mai le ea, e mafua ai le maualuga o le mama o le kasa. O lenei fofo taugofie ma le malosi e lelei mo le tele o faʻaoga, e aofia ai le afifiina o meaʻai, gaosiga eletise, vailaʻau, ma isi mea. I Shanghai Lianfeng Gas Co., Ltd., matou te tuuto atu i le tuʻuina atu o oloa sili ona lelei e fetaui ma tulaga maualuga o alamanuia. E fa'amautinoa e la matou 'au fa'apitoa e fa'amanino ma gaosia uma faiga fa'atupu fa'amatu'u ina ia maua ai le fa'atinoga fa'atuatuaina ma le tumau umi. Filifili Shanghai Lianfeng Gas Co., Ltd. e fai ma au paaga fa'atuatuaina mo ou mana'oga fa'atupuina uma. Fa'afeso'ota'i matou i le aso e a'oa'o atili e uiga i la matou Pressure Swing Adsorption Nitrogen Generation technology ma pe fa'apefea ona manuia lau pisinisi.