---SY Series Pipe Machines are ideal equipment for producing concrete tubes, now. it is reasonable in design, beautiful in appearance, reliable in performance and convenient in operating. 

　　---Its quality is approved by ISO9001 and CE.

　　---With  this series of machines, the concrete tubes with specifications of 200 -1000mm can be produced by using pulverized coal ash, slag, sands and crushed stone pulsing little quantity of cement. 

　　---The tubes 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 irrigation and draining projects in cities