Product features            
*Frame and leaf are linked in 45 degrees.It is solid and anti-wearing well and eye - pleasing.   

         
*Internal and external surface of the frame can be adopted wtih different treatments and colors.  

          
*Frame is adopted with the three cavities design and has strong rigidity and has independent    

         
  drainage cavity.All of those can guarantee that drainages in all cases are  smooth and fast.   

         
*Frame groove fission structure can effectively prevent the outdoor being pried  and has high    

         
  anti-theft performance.           

 
*Adopting Epdm(DPEM)sealing strip, it is durable and not easy to aging and can achieve     

        
  permanent seal collision effect.