... , safety door(1)1800*2140; 1750*2140...(2) 2.5mm thick PVC profile /1.5mm thick steel (3) frame deepth: 60mm (4) glazing: 6 ... standard channel)6). Reinforcement steel: Thickness: 1.2mm, 1.5mm, 2.0mm, 2.5mm; U form galvanized stee7). Excellent watertight, airtight, sound ...