1.Small volume
2.Long service life and low cost.

 (1) the chain can be used more than 5 years in normal life.

 (2) Widely used in all kinds of powder, small granular material .

 (3) however,it also used level or tilted modes of transport.

 (4)  the material of the chain is alloy steel,which is processed with heat treatment .

  The following is another picture of FU.