Guangzhou Aogejian Medical Instruments Co., Ltd. is a professional manufacturer of gynecological &obstetric instruments in China, focusing on Doppler fetal heartbeat detectors. We have a group of experienced technicians and management staff. By bringing in foreign advanced technology of Doppler fetal heart rate instruments, importing spare parts from abroad and adopting our own patented technology, we developed a series of fetal heart rate detectors with the following features: efficient noise filtering function, Hi-Fi sound effect, high sensitivity and ...