Tej zaum yog cov kws mob kho mob koj kho Tsis yog tsuas yog kho cov pa oxygen cov tshuab hluav taws xob uas peb tsim muaj cov ntaub ntawv pov thawj thoob ntiaj teb, tab sis peb kuj tuaj yeem ua tau raws li koj cov kev xav tau kev hloov kho. Peb muab online, kev pabcuam raws sijhawm thiab koj tuaj yeem tau txais cov kev coj ua ntawm cov pa oxygen tshiab . Tsis txhob yig tau txais kev sib cuag nrog peb yog tias koj txaus siab rau cov pa oxygen generator manufacturers , peb yuav tsis tso koj tseg.