1.Debridged thermally broken outward opening window. 2. Single/Double Glazing glass 3. Hardware: China ... Debridged thermally broken outward opening window.1. adopting standard hardware, Opening flexibly, can stay at any angle within 90 degrees, convenient ... Single/Double Glazing glass4. Hardware: China well-known brand.Aluminum Window Features: 1) Simple structure, easy installation2) All kinds of ...