Features of Inward open window: Good sealing function, heavy duty bearing, good practicality and safety make it's popular in north area. Euro style groove design of inward open window enhances the universal of hardware. This ensures the functions achievement of window and door and develops many kinds of open styles with same using standard of hardware, such as inward open, tilt-turn and side hung, sliding and so on.

Features of tilt-turn and side hung window: This style is popular in Europe. With handle turning, the window can achieve inward and tilt -turn open methods and close. When it's closed, it has perfect sealing function and elevated sound insulation and energy saving function; When it's in tilt-turn status, it can achievement good ventilation without occupying indoor space; When it's in inward open status, indoor user can clean glass easily.