Shanghai Lianfeng Gas Co., Ltd. ni uruganda rukomeye kandi rutanga ibihingwa bya ogisijeni ya VPSA mu Bushinwa. VPSA yacu (Vacuum Pressure Swing Adsorption) ibihingwa bya ogisijeni byateguwe kugirango bitange isoko ihendutse kandi yizewe ya ogisijeni ikoreshwa mubikorwa bitandukanye byinganda. Nka VPSA yizewe itanga uruganda rwa ogisijeni, uruganda rwacu rukoresha ikoranabuhanga rigezweho nibikoresho byujuje ubuziranenge kugirango ibicuruzwa byacu bikore neza. Ibihingwa bya ogisijeni VPSA bikoreshwa cyane mu nganda nko gukora ibyuma, gutunganya amazi mabi, ubuvuzi, n'ibindi. Hamwe nuburambe bwimyaka myinshi munganda, twashizeho izina rikomeye mugutanga ibihingwa bya ogisijeni bya VPSA byujuje ubuziranenge. Ibyo twiyemeje guhanga udushya mu ikoranabuhanga no guhaza abakiriya bidutandukanya nk’uruganda rukora inganda za ogisijeni ya VPSA mu Bushinwa. Waba ukeneye uruganda ruto rwa VPSA rwa ogisijeni cyangwa sisitemu nini yinganda, Shanghai Lianfeng Gas Co., Ltd. ifite ubuhanga nubushobozi bwo kuzuza ibisabwa byihariye. Twandikire uyu munsi kugirango umenye byinshi kubyerekeye ibihingwa bya ogisijeni VPSA nuburyo bishobora kugirira akamaro ubucuruzi bwawe.