... -saving curtain walls 7) Adopts the patent design of double layer debridged energy-saving aluminum profile, links to node, matched ... polishing, bright dip. etcarious shapes, parameters and colors availableOne-stop Service: Mould, Extrusion, Surface treatment, Fabrication, Welding and Assembly, ... lathing, punching, drilling, welding and assembly, etc. . OEM service is workable. Aluminum windows profile