... canvas cloth is made of all-cotton,Anylon and cotton blend or trueran vinylon and cotton blend. ... Usage:convey materials of non-corrosiveness,lump-shape,granular,or powder,such as coal,coke,sand stone ... consist of standard parts, which are advanced and simple in structure, easy to maintain. Our ... -Portable Series. It can be easily and freely moved and the capacity can be adjusted.3. ...