Shanghai Lianfeng Gas Co., Ltd., uruganda rukomeye kandi rutanga ibikoresho byo gutandukanya gaze no kweza mu Bushinwa, rutanga inzira ya Pressure Swing Adsorption (PSA). Iri koranabuhanga ryateye imbere rikoreshwa cyane mugutandukanya imyuka nka ogisijeni, azote, na dioxyde de carbone n'umwuka, kweza hydrogène, nibindi bikorwa byinganda. Hamwe n’imyaka irenga 20 yubumenyi mu nganda za gaze, Shanghai Lianfeng Gas Co., Ltd itanga ikoranabuhanga rigezweho mubikoresho byabo bitunganya PSA, itanga ibicuruzwa byiza cyane bikora neza, byizewe, kandi byujuje ibisabwa byihariye bya buri cyifuzo. Nkuruganda rwibikoresho bya PSA mubushinwa, Shanghai Lianfeng Gas Co., Ltd yita kubikenerwa bitandukanye byabakiriya haba mugihugu ndetse no kwisi yose, itanga ibisubizo byabigenewe byongera agaciro kandi bikagabanya ibiciro. Hibandwa ku bwiza, umutekano, no kuramba, ibikoresho bya PSA bya Shanghai Lianfeng Gas Co., Ltd ni amahitamo meza ku nganda zitandukanye.