Profile: Miracle International Co., Ltd specializes in the research, development, manufacture & sales of medical apparatus, body building and healthcare instruments. Our products include massage bed, physiotherapy device, oxygen concentrator, massage mattress, hydropathic spa, massage bed pad, fetal heart doppler and various other equipments. We manufacture various oxygen concentrators including portable, commercial and domestic types. The exterior of the oxygen concentrator is simple and convenient to clear. It can promote the blood circulation and metabolism. It can resolve the fat & expel the toxin, increases immunity function and can stimulate the cell of brain. It reduces the pressure, and remits the fatigue. Our fetal heart doppler is used for detecting the fetal heart at hospital, clinic and home. The doppler has a Ni-MH rechargeable battery inside, which can be used repeatedly after recharging. The gallus can make it convenient to carry. The doppler can be used for detecting the FHR from twelve weeks.