DM Systems (Beijing) Co., Ltd. is one leading company specializing in the research, development, manufacture, sales as well as service for medical device in the world. Its headquarter is located in California USA. with more than 35 years of experience in Electrocardiography product field. DM Systems (Beijing) Co., Ltd. has dedicated to provide high-tech medical products with international standard. Its products are highly acclaimed by customers in international market for competitive price, user-friendly, high quality, better reliability and outstanding performance. DM Systems (Beijing) Co., Ltd. passed ISO13485 QMS Certificate, our products got FDA and CE certificate.DM Systems (Beijing) Co., Ltd. always spares no efforts to make constant innovations in the techniques to improve the diagnosis of cardiovascular diseases for the mankind and will continue to provide customers worldwide with more state-of-the-art products through sustained efforts in research and management. We assure distributors and customers that we always provide state-of-the-art products with excellent after sales service. Finally, let us fulfill our dream hand in hand and create our future together.