Shanghai Lianfeng Gas Co., Ltd. ke moetsi ea tummeng oa Chaena, mofani oa thepa, le feme ea Vpsa Oxygen Generator, e tsejoang hape e le Vacuum Pressure Swing Adsorption (VPSA) Oxygen Plant. Vpsa Oxygen Generator ea rona ke theknoloji e tsoetseng pele e khonang ho hlahisa oksijene e hloekileng e tsoang moeeng oa sepakapaka ka thuso ea li-adsorbents tse khethehileng. Ke tharollo e phethahetseng bakeng sa lits'ebetso tse fapaneng tsa indasteri le tsa bongaka moo tlhokahalo ea oksijene e hloekileng e leng bohlokoa haholo. Jenereithara ea rona ea Oksijene ea Vpsa e sebelisa li-compressor tse tšepahalang le tse baballang matla, litsamaiso tse tsoetseng pele tsa taolo, le li-adsorbents tse khethehileng ho arola oksijene ho likhase tse ling. Semela se bonolo ho se kenya, ho sebetsa le ho se hlokomela, ho etsa hore e be khetho e nepahetseng bakeng sa bareki ba batlang tharollo e bonolo ea phepelo ea oksijene. Shanghai Lianfeng Gas Co., Ltd., re ikemiselitse ho fana ka boleng bo holimo ka ho fetisisa ba Vpsa Oxygen Generator e finyellang litlhoko tsa bareki ba rona liindastering tse sa tšoaneng. Taba ea mantlha ea rona ke ho etsa bonnete ba hore lihlahisoa tsa rona li bolokehile, li ts'epahala, ebile li boloka chelete e ngata. Ikopanye le rona kajeno ho ithuta haholoanyane ka Vpsa Oxygen Jenereithara ea rona le hore na e ka tsoela khoebo ea hau molemo joang.