Both outer frame and window sash feature curved surfaces with cloud-line decorative patterns, offering strong 3D appearance, sturdiness and durability.

Curved frames, sashes and mullions; Chinese-style grilles and aluminum panels are optional. The sash design references foreign window splicing methods and hardware structures.

Rich in designs and novel in styles, it combines modern elements to create a unique antique style with a more personalized effect.

Grille bars can be applied to opening sashes with easy installation; firm installation can be achieved with just a few bars.

Watertightness, airtightness and sound insulation all meet the standards of equivalent European products.