Shanghai Lianfeng Gas Co., Ltd. ke moetsi ea ka sehloohong, mofani oa thepa le feme ea Nitrogen Membrane Unit naheng ea China. Yuniti ea Nitrojene ea Membrane ke tharollo e sebetsang hantle haholo le e bolokang chelete e ngata bakeng sa tlhahiso ea khase ea naetrojene e hloekileng haholo. E etselitsoe ho arola limolek'hule tsa khase ea naetrojene ho likhase tse ling, joalo ka oksijene le carbon dioxide, ka ho sebelisa sefe ea lera. Sephetho ke ho phalla ha khase ea naetrojene e nang le boemo ba bohloeki bo fihlang ho 99.9%. Yuniti ea rona ea Nitrogen Membrane e entsoe ho fihlela maemo a holimo ka ho fetisisa a indasteri 'me e ka etsoa ka mokhoa o ikhethileng ho fihlela litlhoko tse khethehileng tsa bareki. E loketse mefuta e mengata ea lits'ebetso, ho kenyelletsa ts'ebetso ea lik'hemik'hale, tlhahiso ea lijo le lino, tlhahiso ea meriana, le tse ling. Shanghai Lianfeng Gas Co., Ltd., re ikemiselitse ho fa bareki ba rona lihlahisoa tsa boleng bo holimo le tšebeletso e ntlehali ea bareki. Re motlotlo ka botumo ba rona re le morekisi ea tšeptjoang indastering ea khase mme re tsoela pele ho ntlafatsa ho fihlela litlhoko tse ntseng li tsoela pele tsa bareki ba rona. Ikopanye le rona kajeno ho ithuta haholoanyane ka Yuniti ea rona ea Membrane ea Nitrogen le hore na e ka tsoela khoebo ea hau molemo joang.