- Minimized the change of Center of Gravity in operation through  mprovement of Body Structure, Upgraded Shear

   Force by the Dynamic Modification of Arm, finally reach to “Best-in-class Levels”.  
 - Extended Lifetime by reinforcing with Resistant Steel in the front of Cutter.

 - Improved Body of Cutter to solve the opening of Body in operation.

 - No Gap between Body and Arm in operation. (obtained Patent)

 - Improved and Reinforced the Areas which Deformation or Abrasion  can be happened.