1.  Reasonable number of staples reduce postoperative bleeding;  

2.  Imported titanium staples with higher intensity and tensility; 

3.  Large volume of cartridge to contain more tissue;  

4.  Integral shaping anvil to ensure the shape of staples;  

5.  Adjust gap between anvil and cartridge to avoid the damage to tissue caused by over pressure;  

6.  Minimum gap between anvil and cartridge to avoid the damage to tissue caused by over pressure;  

7.  Normal anal cushions and mucosal bridge can be maintained, to keep a maximum subtle feeling and anal contraction, it’s effective in preventing anastomotic stricture.  

8.  Special designed endoscope to form different windows, to expose mucosal hemorrhoid area only, which is more targeted.