| Opening Method | Push and Pull | 
| Material | Aluminum Alloy+Glass | 
| Surface treatment | Powder Coated Smooth Finished | 
| Color&Size | Custome Made | 
| Glazing | Triple or Double Low-E Tempered Glass | 
| Hardware | Germany Origin Made Brand ROTO/SIEGENIA Hardware&Accessories | 
| Certificate | NFRC Certificate | 
| Installation Configurations | Nailing Flange,Facilitating a Quick and Simple Installation | 
| Project Solution Capability | Total Solution for Projects/Graphic Design | 
| After-sale Service | Online Technical Support, Free Spare Parts, Return and Replacement | 
| Warranty | More than 5 years | 




