Technical parameter：

The lock box is made of high-strength aluminum alloy and zinc alloy;

The surface treatment of the lock box has various forms such as electroplating, oxidation and spraying for customers to choose;

The 240H surface rating of the neutral salt spray test of the surface treatment layer reaches the Ra level above 8;

The lock box has a life span of more than 25,000 cycles of repeated opening and closing;

The lock box can be used normally after the torsional strength of 25N.m is tested and the components are intact and undamaged;

The operating torque of the lock box is not more than 1N.m.

It is suitable for the European standard 20-slot or 23-slot profile made of window screens with integrated inner casement windows, window screens with external casement windows, window screens integrated casement doors, inner casement windows, outer casement windows, casement doors, sliding doors, sliding windows , Used on sliding doors with integrated screens, integrated sliding windows with screens and top-hung windows.