1.Cement conveyance speed is automatically adjusted accoring to the folding width, and also be set by regulator on control panel,which is with firm folding effect and save glue. 2.Automatic folding speed slowing down and crumpling when ex-curved part processing.Automatic folding speed slowing down and cutting for in-curved part processing.If using reinfored belt, then auto folding can be done and folding width can be adjusted. 3.The positioner of motor makes sure the pincers of machine to be max,open state when finishing one time work, which is convenient for material laying.