Hangzhou Ruichen Building Materials Co., Ltd. specializes in roofing water system development, design and production, the company introduced Germany advanced equipment and production technology, combined with the architectural features of professional development and design of the "Corus" brand water system and roofing accessories, while has achieved national patent certificate, since the market has achieved impressive performance and a good reputation in the industry. The company consists of professional production workshop and design agencies, according to the water system can support different styles of architecture independent design projects can also be specially tailored to the owners drawings. Products include PVC water system, the water system and K-type metal metal semicircle water system. With many years of industry experience and leading R & D manufacturing technology, "a little progress every day, set the culmination of small achievements," the concept of corporate culture. Making products in the construction industry has always been a leader. We always adhere to the principle of customer first "service first, reputation first, innovation.." Won the majority of users. Corus continue to "continued strong, professional, high-quality, high-tech, high-grade" for the development model has become "NO.ONE, the industry's first" modern enterprise, providing people with newer, better roofing products drowning make home feel better.