Glass curtain wall

Please send me the list prices for Glass Curtain Wall systems Invisible Aluminum System Insulated double glass Low E Tempered 6+16A+6 Glass size 1,5M X 2M Aluminum thermal breaks, 3mm (Invisible System Curtain Wall)
If you have a System the glass will be close to each other, small space between the glass sheets
This system will be better and best
I need something good price and quality
Total project 3000 M2