Workmanship Advantage



  1.No Hurts at the back of inner    
  2.The Thickness at the back almost the same as other place. And satisfy the Min thickness requirement.  
  3.The connector Length is qualified,No shortage    
  4.The back is smooth and round and the Thickness do not have significant reduction  
  5. The products 's Unit Weight do not increase  
  6.The Workmanship will use for formal production soon