A litre of cleanliness, with its characteristics of water conservation, emission reduction, convenience, non-blocking, non-leaking and non-smelting, and its advantages of “wilding out of rainbows and odour-free” completely averts the suffering of the high water consumption of the traditional toilet, heavy sewage, frequent reeking and polluting homes. For the sake of human survival problems and the environment of future generations, a liter of water-saving abatements is designed to change traditional toilet-high water consumption, sewers, respiration, and massive competition with humans for water resources. A liter of four years of experience in market management has led to a mature business, corporate win-win model that guarantees a liter of sustainable development. The full integration of research and development, operation and management skills in the field of water-saving technologies with one litre of cleaning equipment has provided companies with a strong scientific...