Zhongtai GRP Jacking Pipe is a new kind of developed pipe in the field of water supply and drainage, which can complete the underground pipe installation and directly across the highway, railway, river, overgroud and underground constructions under the condition of without excavating the ground, therefore,the GRP jacking pipe has been used as a first choice pipe materials the used in the pipe network rebuilding works in the large or medium cities due to its good performances of corrosion resistance,light weight, smooth inner surface, high flow capacity and good adaptability for geological conditions.