Which brand of cardiac monitoring defibrillator is good

The two most influential brands on the market at present are Philips and Zoll. These two brands of two-way wave monitoring defibrillator should be said in the domestic market share is also quite high, after all, are a large company with international influence, the former's medical equipment department has been established for many years, while the latter is a company specializing in research and development and the operation of emergency resuscitation medical equipment.