Bestman mainly has 9 series products: BF series Ultrasonic Fetal Doppler, BV series Ultrasonic Vascular Doppler, BFM series Fetal/Maternal Monitor,BPM series Multi-Parameter Patient Monitor, BD series Disposable Syringe Destroyer, ECG series, BEU series Ultrasound Scanners, BFW series Medical Fluid Infusion Warmer and BSP series Pulse Oximeter. Vital signs monitor BSNT series, Obstetric detector BSNF series. BF500/500+/500++/500A/500B/500C/500D/500D+/510/510S/530/530A/530B/ 560/560A/560B/600/600+ series Fetal Doppler are specially designed to detect the Fetal Heart beat Rate (FHR) from the twelfth week of gestation, with earphone socket etc, BF-500 series are compact, light and easy to operate, BF-510/510S are pocket Doppler for home use,BF-600+ with LED display. Bestman approve with ISO9001:2008, ISO13485:2003 successfully, and our products also got CE and FDA certificate. Our products have been exported to Europe,South America, Oceania, Africa, the Middle-East,Southeast Asia and USA,Canada,etc., dozens of countries and areas.