Seamless-weld technology

Welding at the group corner gap of the sash,

offering an immaculate finish to every corner of the window or door.

R5-rounded safety corner

Chamfer the sash corner to a rounded corner of radius 5mm.

     Test 

    R5-Rounded Corner 

   Test

      waterproof

    Test

   air tightness

  Test 

  soundproof

     Test

  impact resistance