goldwei is a us based leading supplier of high quality medical testing instruments, measuring equipment, and other medical materials since 2003. our product line includes patient monitors, ecg marchines, a selection of oximeters including various of fingertip pulse oximeters, handheld oximeters, portable oximeters and desktop oximeters, etc., oem modules like etco2 module, sidestream etco2, ibp, spo2, nibp, ecg modules, ultrasound, phantoms, etc. our services and expertise have established a reputation for quality, reliability, and value.