◎ High-strength aluminum frame, sturdy and not easy to deform.
◎ Fully rust-proof and corrosion-resistant, suitable for all weather conditions.
◎ Excellent airtight and watertight performance, effectively preventing rain leakage.
◎ Large opening area for superior natural ventilation.
◎ Smooth hinge operation, easy to open and close with ergonomic handles.
◎ Simple modern appearance, matching most residential and commercial building styles.
◎ Low maintenance, no painting or frequent upkeep required.
◎ Tough structure with anti-pry design for improved home security.