Shanghai Lianfeng Gas Co., Ltd. o se taʻutaʻua taʻutaʻua, faʻatau oloa, ma falegaosimea o le PSA Nitrogen Plant i Saina lea ua mamanuina e faʻafetaui ai le manaʻoga faʻapisinisi o le nitrogen i le suauu ma le kesi, meaʻai ma meainu, vailaʻau, ma le tele o isi pisinisi. O le PSA Nitrogen Plant e fa'aogaina le Pressure Swing Adsorption technology e fa'atupuina ai le kasa mama maualuga mai le ea. O le faʻagasologa e faʻamautinoa ai o le nitrogen na gaosia e fetaui ma faʻamatalaga uma tau pisinisi, ma e matua saogalemu lava mo le faʻaaogaina i soʻo se pisinisi. I Shanghai Lianfeng Gas Co., Ltd., matou te faʻaogaina tekinolosi faʻapitoa ma vaega maualuga e gaosia ai PSA Nitrogen Plants e sili ona lelei ma umi. O a matou laau toto e iai se mamanu faʻapitoa, ma latou te nofoia se avanoa laitiiti. E faigofie ona faʻapipiʻi ma manaʻomia le tausiga maualalo, ma avea ai i latou ma filifiliga sili mo alamanuia o loʻo vaʻavaʻai e faʻaititia le tau o galuega. E le gata i lea, matou te ofoina atu aganuʻu e fetaui ma manaoga faʻapitoa tau pisinisi, faʻamautinoa e maua e a matou tagata faʻatau oloa sili e fetaui ma o latou manaʻoga. I le faaiuga, o Shanghai Lianfeng Gas Co., Ltd. o le filifiliga sili lea mo soʻo se pisinisi e manaʻomia ai PSA Nitrogen Plants. O a matou oloa e maualuga le lelei, ma matou te tuʻuina atu le lagolago sili ona lelei mo tagata faʻatau ina ia mautinoa o loʻo faʻamalieina manaʻoga o matou tagata faʻatau.