TVF Curtain Wall Welding Free System of GSD classic and   innovative design: 
1.No welding - safe, no fire operation on site;
2.No welding - eco-friendly, no corrosion treatment on-site;
3.Assembly - open, process standardization, manufacturing standardization, inspection standardization, high precision quality;
4.Assembly - economic, modular installation on-site, time limit can be reduced by 30%, installation cost can be reduced by 30%, waterproof construction of beam is integral;
5.Bolt toothed connection - applicable, mechanical operation, flexible connection, removable, reusable;
Bolt toothed connection - beautiful, precise control and adjustment, high flatness.