1.Brief introduction 2million Asphalt membrane manufacturing plant Bitumen Membrane (Bituminous Membrane) is widely used in industrial and civil buildings, such as roof, basement, toilet, bridge, park, swimming pool, tunnel for waterproof and moisture-proof. Bitumen is kind of hydrocarbon and is created naturally from crude oil. It is a useful carbon store and does not generate greenhouse gases. The membrane is therefore a sustainable way of storing carbon on the Earth's surface.