Shanghai Lianfeng Gas Co., Ltd. waa saaraha hormuudka ah, alaab-qeybiyaha, iyo warshadda Geeddi-socodka dhirta ee Vpsa Oxygen ee Shiinaha. Geedi socodkayaga Vpsa Ogsajiinta waxaa loogu talagalay inuu si hufan u kala saaro ogsijiinta hawada iyadoo la adeegsanayo habka Vacuum Pressure Swing Adsorption (VPSA). Tiknoolajiyadan casriga ah waxay u oggolaaneysaa soo saarista ogsijiin nadiif ah oo nadiif ah oo loogu talagalay codsiyada warshadaha kala duwan. Habka Dhirta Ogsajiinta ee Vpsa waa mid la isku halayn karo, kharash-ool ah, oo sahlan in lagu shaqeeyo, taasoo ka dhigaysa doorashada ugu habboon ee ganacsiyada raadinaya inay soo saaraan sahaydooda oksijiinta. Iyada oo xoogga la saarayo tayada iyo waxqabadka, Shanghai Lianfeng Gas Co., Ltd. waxay hubisaa in Geedi socodka Vpsa Oxygen Plant uu la kulmo heerarka warshadaha ugu sarreeya. Haddii aad ku jirto waaxda caafimaadka, deegaanka, ama wax soo saarka, Geedi socodkayaga Vpsa Oxygen Plant wuxuu buuxin karaa baahidaada wax soo saarka ogsajiinta. Ku kalsoonow Shanghai Lianfeng Gas Co., Ltd. si ay kuu siiso habka ugu sarreeya ee Vpsa Oxygen Plant Geedi socodka kaas oo bixiya ogsijiin tayo sare leh oo joogto ah hawlahaaga.