Downspouts choice first look at the material, a metal material is one of the best, then look at the brand. Ruichen "Corus" water system designers and product developers to provide a variety of colors to fit with the building roof, roofs, facades and other colors. Beautiful appearance: Ruichen "Corus" drowning shape with North America's most popular K-type hyperbolic appearance and 51/8 inch gutter design, downspouts is used corrugated rectangular design; at the same time the metal texture to your building facade new visual expression. Safe and elegant fashion, is the North American residential classic configuration. Superior weather resistance: Ruichen "Corus" involved with high corrosion resistance. It can be resistant to cold, high temperature; in acid rain, salt corrosion and other harsh variable climate, still color stability, look as new. Ruichen "Corus" Metal the water system has excellent weather resistance, simple design, easy to install, safe and durable. Its rich color, metal texture, beautiful shape for the building brings a strong performance. Metal water system is more environmentally friendly. Raw Ruichen "Corus" water system of high-tech weather formula, superior performance, long life, anti-aging, does not occur yellowing, flaking and corrosion even in the rain, salt corrosion and other harsh environments phenomenon; the same formula was introduced from North America to the new non-toxic additive, in line with environmental protection requirements.