Gutter System (or finished gutters system) can be reasonably organized rainwater drain from the building and to prevent the roof, walls and foundation damage, so it is a modern villas and multi-storey buildings will be selected products. Finished gutter systems are widely used in the United States and Europe. Cailv water system features: Cailv in the natural environment will form a protective oxide film, with exceptional weather resistance. Beautiful appearance, K type Gutter hyperbolic design, downspouts using corrugated rectangular design, but both appear to be generous and to coordinate with the building facade, stylish and elegant; semi-natural ancient metallic Gutter brings luxury, immediately highlights housing grades, enhance the value of the house. Personalized custom colors, and buildings with natural color coordinated, showing the building's intentions to create. Green, recyclable, in line with national green building requirements. Cailv water system production standards: A. Aluminum water system uses a series of aluminum, aluminum-manganese alloy 3 series, 5 series and 6-series aluminum-magnesium alloy aldrey B. aluminum coil thickness divided 0.6,0.7,0.8, 0.9,1.0,1.1,1.2 etc. C. aluminum coil surface through a special cleaning process, and then to color outdoor polyester electrostatic spray coating. D. accessories and supporting the use of the entire water system, E. aluminum thickness deviation of less than +0.01 Building Materials Co., Ltd. Hangzhou Ruichen