Automotive-grade EPDM gasket is more weather fastness and tightly sealed.

Advanced buckle design, no bead on sashes.

Optional 48-mesh high transparent PET hung screen, prevent the smallest mosquito.

Each piece of glass is filled with argon More quiet, energy conservation, no fog, wind resistant.

Multi cavities design, primary materials More stable and grand.

The whole structure is more beautiful, high toughness, wear resistance, good stability.

Whole welding process,No gaps and sharp corners.