Taian Taiyi Medical Device Co., Ltd has specialized in obstetrics and gynecology field since 1982. She has 28 yearâs experience to research, product and supply fetal doppler monitor, maternal monitor and other related services to hospitals in the world. Because of ISO9001 and ISO13485 standards, at present the company has past some professional authentications such as CE.Now, we can offer you:1.Fetal Monitor.2.Fetal Doppler.3.Multi-parameter maternal fetal monitor.4.Comprehensive obstetrics and gynecology advices based on decadesâ experience.For detailed information, please visit my companyâs web site: www.taiyi.com.cn