I-Mecanmed njengoMlawuli we-Oxygen ochwepheshe womkhiqizi we-pendant nomhlinzeki eChina, wonke umlawuli we-oxygen we-pendant adlule amazinga ezitifiketi zezimboni zomhlaba wonke, futhi ungaqinisekiswa ngokuphelele ngekhwalithi. Uma ungatholi owakho umlawuli we-oksijini wakho we-pendant ohlwini lwethu lomkhiqizo, ungaxhumana nathi, singanikeza ngezinsizakalo ezenziwe ngezifiso.