Toitu Co., Ltd., founded in 1958, is a professional company involved in the field of obstetrics and gynecology and pediatrics, with more than 40 years of R&D and production experience in the field of Doppler fetal heart rate instrument, known for its excellent technical performance and safety protection function for infants. Dongyi Fetal Heart Meter can already hear fetal heart sounds from 9 weeks of pregnancy, and has a special noise cancellation function to ensure clear sound effects. Dongyi Fetal Heart Detector will automatically shut down without signal after 2 minutes of opening, the design is very user-friendly, and its durable quality has also won unanimous praise from customers.