1. Many kinds of opening style 2. Mutiple color of the aluminum alloy 3. All kinds of high standard glass and hardware aluminium spring ... glass table, office partition series, glass balcony/terrace etc. Opening style: fixed, sliding, bi-floding, casement, awning, slidng-hung, etc ... PVB filming (USD-Dupond): 0.38, 0.76, 1.14, 1.52 Aluuminum Surface treatment: powder coated, cataphoresis, tooxidize/ ...