Shanghai Lianfeng Gas Co., Ltd. ni uruganda rukomeye, rutanga isoko, n’uruganda rw’inganda ziteye imbere za PSA azote zitanga ingufu mu Bushinwa. Ibimera bitanga ingufu za azote byashizweho kugirango bitange igisubizo cyizewe kandi cyigiciro cyinshi kubikorwa bya azote. Ibi bimera bifashisha tekinoroji ya adsorption (PSA) kugirango itandukane azote mu kirere, bivamo umugezi wa azote ufite isuku mwinshi ukwiranye ninganda nyinshi zikoreshwa mu nganda. Imashini zitwara azote zigendanwa zifite ibikoresho bigezweho byo kugenzura kandi byashizweho mu buryo bworoshye bwo gutwara no kwishyiriraho byihuse, bigatuma biba byiza mu gihe gito cyangwa cya kure. Hamwe nimikorere yizewe hamwe nigiciro gito cyo gukora, ibihingwa bitanga ingufu za azote bifasha ubucuruzi kugabanya kwishingikiriza kuburyo bwa gakondo bwa azote no kunoza imikorere muri rusange. Haba ibyo gupakira ibiryo, gukora ibikoresho bya elegitoroniki, cyangwa gutunganya imiti, ibihingwa byacu bitanga ingufu za PSA nitorojeni ni amahitamo meza kubucuruzi bushakisha igisubizo cyizewe cya azote mu Bushinwa.