Not bad. Runtian mineral water is collected from deep underground water source, with clear and transparent water quality, rich in various minerals and trace elements, full taste and moderate sweetness. Adopt a unique production process, and ensure the water quality is pure and pollution-free through purification and disinfection. It also advocates the concept of environmental protection and promotes the sustainable development model. Get favorable comments in brand promotion. It is a mineral water brand with good quality, good taste, environmental protection concept and sustainable development. So the quality of Runtian mineral water is good.