Variable arrangement of the pipe makes the production craft process more reasonable.
The sustem is sealed and lead to few flying dust, It benefit for envionment protection.    
Few movement parts, convenient maintenance, automatic control can be realized easily.    
High efficiency of transportation reduce the cost of packing, loading and unloading.
Make the matedal avoid being damped, polluted, damaged, and mixed with other materal, the quality of conveying is assured.
 Vadous operation process can be realized meanwile for the conveying. such as mixture, crush, grade, dryness cooling, and dust collection.  
 Send the material from couple place to one place and from one place to couple place, reatize far distance operation.   
For the material with erratic chemical character, can adopt inertia gas conveying.