1.Profile: any colour, with thermal break, wall thickness: 2.0mm
2.Glass: 5mm+ 12A+ 6mm/ 5mm+ 27A+ 5mm
3.Hardware: Made in Germany, handle lock
4.Character: with thermal break ¡  ª energy....

1.Profile: any colour, wall thickness: 1.5/ 1.8mm
2.Glass: 6mm/ 5mm+ 6A+ 5mm/ 5mm+ 9A+ 5mm
3.Hardware: Made in Germany/ Made in China
4.Character: Eurpean style, tilt-ventilation& turn indoor....

Profile: any colour.wall thickness: 1.2/ 1.4mm, special design: Uneven bottom track; Glass: 6mm/ 5mm+ 6A+ 6mm; Hardware: made in China, can be crescent lock/ latch/ handle lock; Character: uneven....

1.profile: any colou, with thermal break, wall thickness: 2.0mm;
2.Glass: 5mm+ 9A+ 6mm
3.Hardware: mde in Germany
4.Character: with thermal break-enery saving, Geman system-support large....

Profile: any colour, wall thickness: 2.0mm; Glass: 6mm/ 5mm+ 9A+ 6mm; Hardware: Made in China; Character: opened indoor/ outdoor, without bottom sill;