1. Excellent heat and water insulation 2. Sound insulation 3. Good air tightness 4 ... 3, 4, 5, 6; ) , CONCH(Chinese famous brand) 2. Design: As order. 3. Size: Custom 4. Glass: Single glass, ... / Germany 7. Handle: Handle with Transmission Gear, Lock optional 8. Seal: Rubber sealing strip, black or grey ... sheet + Carton + Wooden box / Pallets / Iron Shelf New design outward casement window with grills