Corus double drowning effective solutions using innovative technology to develop a metal gutter systems. Unique gutter profiles, cornice with decorative designs, and housing construction style seamless. Structural design just right, better performance, resistance to impact, a ladder against the pressure, snow or prolonged sun exposure, less prone to depression, distorted or deformed. Double-wall water system is completely built on high-tech water system. This specially designed double-walled structure can enhance the stiffness and effectively increase the water resistance. PVC water system also adds UV protection, resistance to acid rain and air pollution. PVC special advantages Let no longer need for housing renovations and paint. The system reflects the people-oriented design concept, so that rain water drain off from this all in your hands. High quality metal composite materials, the case of cold deformation is not easy, nor will there be rust like metal fell into the water as a phenomenon. Whether classical or modern, whatever your style of architecture is what our total energy alone is tailored to your water system for your building to add a touch of color. Display drowning style, highlight three points: 1) soft lines; 2) people-oriented; 3) and housing integration Ruichen Building Materials Co., Hangzhou.