Convax Pipe 3" Inch 30m

The invention discloses a concave-convex pipe. the concave-convex pipe comprises a pipe body and at least one concave-convex point formed on the pipe body. the concave-convex pipe has the advantages that the manufacturing technology is simple; the cost is lower; the strength and the ductility of the pipe are improved; the concave-convex pipe also can serve as an embedded pipe of other materials; and the weight is greatly reduced, the strength is greatly increased, the related process cost is greatly reduced, and the related service life of the pipe is greatly prolonged.