Hebei OUGA Medical Instrument Co.,LTD we are professional to provide health products for customers all over the world. From our workshop, we maintain a ***ail oriented approach beginning with our assembly production line, then on to electrical installation and testing in our plant, to be rigorously checked again by sustained use for a 24 hours period before being packaged for delivery. Each unit is assigned its own serial number for tracking purposes to help our customers know they come first. We al...