SY Series Pipe Machines are ideal equipment for producing concrete pipes now. It is reasonable in design, beautiful in appearance, reliable in performance and convenient in operating. Its quality is up to CE and ISO9000. With this series of machines, the concrete pipes with specifications of 200~1000mm can be produced by using pulverized coal ash, slag, sands and crushed stone plus a little quantity of cement. The pipes produced with this series machines are even in their wall thickness, smooth on surface, high in compression strength, convenient and firm in connection, and excellent in anti-seeping, which are widely used in agricultural and draining projects in cities.