Specifications:1) Row material: Integrated timber (thickness: 15mm), aluminum / PVC with multiplecavities structure (designed by A Meng) 2) Finishes of aluminum: electrophoresis, anodic coating, electrostatic spraying,fluorocarbon coatings3) Glass: hollow glass, low-e coating, tempered glass, laminated glass4) Hardware: Roto, Sigenia, G-U (3-D adjustable, bearing 130-150kg)5) Lacquer: Remmers, King flower (for windows and doors), passed ISO140006) Water-proof, damp-proof, chromatism-proof7) Adhesive tape: EPDM rubber tape8) Operating Types: Open inwards: casement, tilt-turn, siding, folding Open outwards: casement, American casement, awning, hung tiltFeatures: 1) Easy operation, tightly closed, spacious feeling, good lighting effect and decoration2) Outstanding water and air-proof function3) Noise insulation and heat preservation 4) Available in any sizes as per your requirementsPacking:Standard export packing