Almost all Waterdrop products have been certified and tested. Product quality is safe, reliable, ensures maximum safety drinking and provides a risk-free user experience. Waterdrop believes that it is their mission and social responsibility to help more people drink clean and healthy water. Every time a drop filter is sold, children in Africa are provided with clean drinking water. Since March 22, 2017, it has donated some of the benefits of each filter to help build water and sanitation in poor eras. Product quality is the foundation, innovation is the cornerstone of development, and lifetime guarantee is the greatest sincerity. They continue to develop water purification products to provide high quality products and services.