Guangzhou Doppler Electronic Technologies Co., Ltd. is a high-tech enterprise that is engaged in R&D, manufacturing of ultrasonic instruments & transducers (probes) and dedicated to building a renowned world brand of ultrasound. Jointly established by experts from home & abroad mastering the world's most advanced ultrasonic technologies, Doppler is a high-start, high-standard and high-tech company implementing modern enterprise system and specializing in R&D, manufacturing and sales of ultrasonic products. Doppler has now built world’s advanced production lines, passed ISO9001: 2015 Quality Management System Certification, CE Marking and European Standard EN 12668 Compliance Verification, and is qualified as one of national-recognized high-tech innovative enterprises.