We are manufacturer that specialized in the research and development and production of PVC rain gutter and fittings,Aluminum gutter and fittings,and asphalt shingle. Now we are the leading enterprise in the industry .Located in Hangzhou,China, with convenient transportation access. Our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. If you are interested in any of our products or would like to discuss a ...