DMS was located in California USA, founded in 1975 by the CEO Mr. Bill Parsons and has been focused on developing and manufacturing electrocardiogram products (Holter ECG) from then on.
DMS has been committed to the research and development of advanced ECG products for more than 40 years. We are the first company to use PC for dynamic ECG playback and analysis. We cooperate with ECG experts in the US and Europe, and offer a range of advanced and reliable Holter products.
We are much more accurate than other companies in analyzing ambulatory electrocardiograms, especially in identifying error differences. Because of the unique dynamic electrocardiogram analysis technology, multi-monitoring system. Mobile electrocardiogram analysis system, multi-bed telemetry ECG system.  
DMS and its products have passed the FDA, CE and ISO13485 certificate