Founded in 2001 as a high-tech company, Shenzhen Bestman Instrument Co., Ltd. has been devoting to research, manufacturing and distribution of medical instruments. Nowadays a great variety of products have been gained high popularity in home and abroad in medical line. Our company mainly has 9 series products: BF series Ultrasonic Fetal Doppler, BV seriesUltrasonic Vascular Doppler, BFM series Fetal/Maternal Monitor, BPM seriesMulti-Parameter Patient Monitor, BD series Disposable Syringe Destroyer, ECG series, BEUseries Ultrasound Scanners, BFW series Medical Fluid Infusion Warmer and BSP series Pulse Oximeter 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. We passed ISO9001:2000, ISO13485:2003 successfully, and our products also got CE and FDA certificate.