Concrete (Cement) U channel for water irrigation 1.multi-use/purpose machine 2.with advanced structure ... the button, the machine press the material. 3.Use the Trolley remove the channel. 4.Use the ... trolley to transport the U channel 5. Curing The machine advantages and features:1.FYS- ... , anti-freeze, seepage control, anti-bending.The machine has long service life , low engineering cost, convenient ...