Corus new water system in the water break through traditional architecture, based on in-depth study of foreign roof drainage, and developed the combination of domestic Cailv drainage system of the building, which has the following characteristics: 1, Corus water system with dual wall sweeping design makes the product both drainage and decorative effect, enriching the overall effect of the building. 2, Corus water system uses double-walled gutters and impact of imports of selected additives such member has both strong and flexible, node design is reasonable, taking into account both the sealing performance of the gutter, but also give full consideration to facilitate the construction and will not there is water in the phenomenon. 3, Corus water system using ethylene polymer material, the unique formula, with good UV resistance, excellent weather resistance, no oxidation, corrosion, does not pollute the strong side. 4, Corus fell into complete parts and accessories, the use of organized drainage, green lawn has a good protective effect, avoid the impact of the free falling into the water sludge spilled wall wall effect, rainwater pipe adapter, curved water bucket and other accessories to solve the balcony, floor drain and air conditioning condensation drain unified position of organized water and other characteristics, so as to ensure that the system is more perfect to meet the requirements of domestic construction.