1.  Transparent staple cartridge and push nail make visual feedback more clear;

2.  Reasonable number of staples reduce postoperative bleeding;   

3.  Imported titanium staples with higher intensity and tensility;  

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

5.  Large volume of cartridge to contain more tissue;   

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

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