Jian Tong Building Materials Co., Ltd. is located in Quyang Bridge, Zhengding County, Shijiazhuang City, and is a professional manufacturer of cement pipes and municipal cement structures. Our factory produces a range of cement pipes including steel bell mouth pipes, socket and spigot cement pipes, flexible bell mouth cement pipes, bell mouth cement pipes, and flat end cement pipes. In addition, we can also produce and process various cement structures such as manholes and covers.