Re thabela ho hlahisa litharollo tsa rona tsa boleng bo phahameng ba oksijene le naetrojene, tse tlisoang ho uena ke Shanghai Lianfeng Gas Co., Ltd. Joaloka moetsi ea ka sehloohong, mofani oa thepa, le fektheri ea Chaena, re sebetsa ka ho khetheha ho hlahisa likhase tsa indasteri tsa maemo a holimo ho finyella litlhoko tsa liindasteri tse sa tšoaneng. Lihlahisoa tsa rona li etsoa ho sebelisoa theknoloji ea morao-rao le mehato e matla ea ho laola boleng ho netefatsa bohloeki, botšepehi le polokeho. Ka boitlamo ba ho tšoarella le boikarabellong ba tikoloho, re ikitlaelletsa ho fana ka litharollo tse bolokang chelete e ngata le tse bolokang tikoloho ho bareki ba rona. Ho Oxygen Nitrogen Solutions Ltd, re utloisisa bohlokoa ba ho fana ka likhase tse finyellang litekanyetso tse thata tsa indasteri, 'me lihlahisoa tsa rona li tšeptjoa ke likhoebo ho pota lefatše. Hore na o hloka oksijene le naetrojene bakeng sa tlhokomelo ea bophelo bo botle, tlhahiso, kapa lits'ebetso tse ling tsa indasteri, o ka itšetleha ka rona ho fana ka tharollo e tsitsitseng le e phahameng ea khase. Khetha Shanghai Lianfeng Gas Co., Ltd. e le molekane oa hau eo u mo tšepang bakeng sa litlhoko tsohle tsa hau tsa oksijene le naetrojene, 'me u bone phapang ea ho sebetsa le moetsi le mofani oa thepa ea maemo a holimo Chaena.