How about Guangzhou Sanrui electrocardiograph machine

Guangzhou Sanrui ECG machine is good. It is the best ECG machine in China, with very stable performance and large scale. Guangzhou Sanrui Electronic Technology Co., Ltd (referred to as Sanrui Company), is a high-tech enterprise specializing in the research and development, manufacturing, sales and service of cardiac medical electronic products. The company is located in Longshan Industrial Park, Tianhe District, Guangzhou City, adjacent to the beautiful scenery of the Baiyun Mountain and South China Botanical Garden, with more than 2,000 square meters of production bases and perfect supporting production and testing equipment, and the establishment of a complete ISO9001/13485 quality management system for medical devices.