Hangzhou Xunda Company began to produce disposable electrocardiogram electrodes in 2002. This product is used for electrocardiogram examination and electrocardiogram dynamic/static monitoring, and is used with vital sign monitor, sports tablet, dynamic electrocardiogram/static electrocardiogram, electrocardiogram machine, etc. The specifications include round, square, droplet-shaped, crescent-shaped, eccentric, double-button electrocardiodes used with non-invasive hemodynamic detectors, etc., which have passed GB/T19001-2016/ISO9001:2015 and YY/T0287-2017/ISO13485:2 016 authentication。