This mahcine is suitable for the pre-shrinking of open width natural fiber such as cotton, grass ,and wool. the water shrinkage of the fabrics is less than 5%. Main technical parameters: working width:rail 2600mm,2800mm,3000mm compactor: 2400mm,2600mm,2800mm mechanical speed: 3-35m/min heating method and cylinder temperature:steam(140centigrade), electric oil(180certigrade) Main equpment : in feed and centering device+manual weft correction device+moistening device and stretcher+felt preshrinking unit+plaiting device+HMI and BLC control system.