Shanghai Lianfeng Gas Co., Ltd. ke moetsi ea ka sehloohong, mofani oa thepa, le feme ea mahlale a macha a karohano ea khase, 'me re motlotlo ho hlahisa sistimi ea rona ea Nitrogen Pressure Swing Adsorption. Sistimi ena e sebelisa theknoloji e tsoetseng pele ea adsorption ho arola naetrojene ho likhase tse ling, e fana ka tharollo e tšepahalang le e theko e boima bakeng sa lits'ebetso tse fapaneng tsa indasteri. Ka ho shebana le ts'ebetso le ts'ebetso ea tikoloho, Adsorption ea rona ea Nitrogen Pressure Swing e fana ka naetrojene e hloekileng e nang le tšebeliso e fokolang ea matla, e leng se etsang hore e be khetho e nepahetseng bakeng sa liindasteri tse fapaneng tse kenyeletsang oli le khase, lik'hemik'hale, meriana, lijo le seno. Joaloka moetsi le mofani oa thepa ea nang le botumo bo botle Chaena, re khomarela litekanyetso tse thata tsa boleng ho netefatsa ho tšepahala le ho sebetsa ha lihlahisoa tsa rona. Sistimi ea rona ea Nitrogen Pressure Swing Adsorption e etselitsoe hore ho be bonolo ho kenya, ts'ebetso, le tlhokomelo, e lumellang bareki ba rona ho ntlafatsa tlhahiso ea bona le ho fokotsa litšenyehelo tsa ts'ebetso. Ikopanye le rona kajeno ho ithuta haholoanyane mabapi le hore na theknoloji ea rona e ncha ea karohano ea khase e ka tsoela khoebo ea hau molemo joang.