... ≤6mShapeRound,Square,T-slot,or as per the drawings and samplesFabricationcutting,drilling,punching,bending,etcWall ... production scope: Aluminium industrial profilesaluminium curtain wall profilesaluminium window & door profilesaluminium pipealuminium roller profilesaluminium purgative profilesaluminium ... us for more details freely. aluminum window profile with patent design good appearance