 
A new structural corrugated roller ZL 2022 2 0670503. X
 
A workpiece fixing mechanism for sawing machines ZL 2022 2 3190564.5
 
A surface treatment device for corrugated rollers ZL 2022 2 3333604.7
 
An adjustable excircle grinding device for grinders ZL 2022 2 3191470.X
 
A turning fixture for corrugated paper ZL 2022 2 0603858. 7
 
A milling machine for workpiece machining ZL 2022 2 3276629.8
 
          
             
         
             
             
            