Answer: Philips is a heavyweight company in the world, but it is a bit expensive. It is used in many operating rooms and most departments cannot afford it. If you like domestic products, I recommend you to buy Mindray or Coman's are all big domestic brands. Mindray ranks first in sales in the country and takes a popular route; Coman takes a specialty-specific route with unique products and is the advocate and leader of domestic specialty-specific monitors. As for other brands, such as Paulette and Jinkewei are also okay. If you want something cheaper, you can check out Hexindian. It’s just so-so. For the sake of my hard work, I’ll give it to you. Let me~