Rea u amohela ho Shanghai Lianfeng Gas Co., Ltd., moetsi ea ka sehloohong oa jenereithara ea naetrojene, mofani oa thepa le feme naheng ea China. Lijenereithara tsa rona tsa naetrojene li etselitsoe ho fana ka tharollo e tšepahalang le e theko e tlaase bakeng sa liindasteri tse hlokang phepelo e tsoelang pele ea khase ea naetrojene e hloekileng haholo. Lijenereithara tsa rona tsa naetrojene li sebetsa ka ho sebelisa mokhoa oa khatello ea "press swing adsorption" (PSA) ho arola limolek'hule tsa nitrogen moeeng o potolohileng. Moea oa hatelloa ebe o feta har'a letoto la likepe tsa adsorption tse nang le lisebelisoa tsa carbon molecular sieve (CMS), tse khethang oksijene le likhase tse ling tsa trace, tse sieang molapo oa khase ea nitrogen e hloekileng haholo. Ka thekenoloji ea rona e tsoetseng pele le e sebetsang ea jenereithara ea naetrojene, likhoebo li ka hlahisa khase ea naetrojene sebakeng sa tsona, ho felisa tlhoko ea ho tsamaisoa ha li-cylinder tsa naetrojene tse turang le ho fokotsa litšenyehelo tsa ts'ebetso ka kakaretso. Lihlahisoa tsa rona ha li tšepahale feela ebile li bonolo ho sebetsa, empa hape li na le botsoalle ba tikoloho, e leng se etsang hore e be khetho e nepahetseng bakeng sa mefuta e mengata ea lisebelisoa tsa indasteri. Khetha Shanghai Lianfeng Gas Co., Ltd. bakeng sa litlhoko tsohle tsa hau tsa jenereithara ea naetrojene 'me u fumane melemo ea litharollo tsa boleng bo holimo, tse ncha tse tsoang ho moetapele ea tšepahalang oa indasteri.