Jie Erge, O'Connor, Ke Xin. Gerge: This brand is one of the leaders in the German water purifier market. It is good at developing smart water purifiers, including indoor air purifiers, water heater purifiers and other products. Its unique technology and high-quality services have been widely praised. Kexin: As one of the famous water purifier brands in Germany, Kexin water purifier attaches great importance to the concepts of environmental protection, energy saving and health, and protects the health of users and the natural environment to the greatest extent. O'Connor: This brand's water purifier products are mainly characterized by safety, health, convenience, and practicality. It also innovatively launches cabinet-type water purifier designs to provide users with a more relaxed and convenient water purification experience.