The fresh air system of Shantou Evergrande Jinbijiangwan is a famous British fresh air brand. The British registered trademark "Kair" and the Chinese registered trademark "Keai". The Daikin brand is mainly famous for its air conditioners. Daikin air conditioners provide "comfort" suitable for every space, continuously create "new air conditioning culture" with excellent technology and quality, and began to enter the fresh air industry based on its air conditioning production technology. On the basis of this, its market share is also relatively high.