Kumenyekanisha ogisijeni mu nganda ziva muri Shanghai Lianfeng Gas Co., Ltd., uruganda rukomeye, rutanga, n’uruganda mu Bushinwa. Okisijeni yacu yinganda ningirakamaro mubikorwa byinshi byinganda, harimo gukora ibyuma, gutunganya imiti, gutunganya amazi mabi, nibindi byinshi. Hamwe no kwiyemeza ubuziranenge no kwizerwa, turemeza ko ogisijeni yinganda zacu zujuje ubuziranenge bwo mu nganda zo kweza no gukora. Muri Shanghai Lianfeng Gas Co., Ltd., dufite ikigo kigezweho cyo gutunganya umusaruro hamwe nitsinda ryinzobere zinzobere zihaye kugeza ogisijeni nziza yinganda nziza kubakiriya bacu. Umwuka wa ogisijeni mu nganda uraboneka muburyo butandukanye bwo gupakira kugirango uhuze ibikenewe byinganda zitandukanye. Waba ukeneye bike cyangwa byinshi, turashobora kuzuza ogisijeni yinganda zawe zikenewe kandi neza. Wizere Shanghai Lianfeng Gas Co., Ltd. nkumufatanyabikorwa wawe wizewe mugutanga ogisijeni yinganda. Twandikire uyu munsi kugirango umenye byinshi kubicuruzwa byacu bya ogisijeni yinganda nuburyo dushobora kuzuza ibisabwa byihariye.