Waterfall stage: Stage cold fireworks waterfall is in the distinctive stage of a product. Packed in paper or stainless steel tube; effects downstream flow of 2 meters, 4 meters, 6 meters, 10 meters, etc.; effect of time of 30 seconds, 60 seconds, 90 seconds, etc.; one meter for the sagging of the steel tube 5, 5 m as a group; ignition for the electric ignition; conventional content is 5 / 4; in a dry environment shelf life of 2-3 years. Commonly used in the party (parties), the climax or the end of a discharge program. Throughout the evening (the party), play a role in creating spectacular scenes, so as to achieve the climax of the ceremony.