How to change the anti theft door to the ventilation window? How much?

<> it is not reliable to change the anti-theft door to the ventilation window, and it is not recommended that you change the anti-theft door to a sock ventilation window. Although the cost of changing the anti-theft door to the ventilation window is low and the shape is beautiful, it can effectively improve the indoor air circulation. However, after a long period of use, due to the problem of sealing, it is necessary to replace the rubber strip regularly, otherwise there will be a problem of loose windproof windows and falling off the stool. >>>More

Depending on what material you need, it is recommended to use diamond mesh, which is beautiful and generous, and it is recommended to use more than 65 silk warp to have a good anti-theft effect, generally around 600.

This product is a kind of ventilation window installed for the original anti-theft door, has obtained six national patents, suitable for buildings with poor air circulation, the existing anti-theft door with ventilation window on the market is expensive, the customization cycle is long, the replacement of the renovated residents will cause damage to the door, the original old door can only be sold at the price of scrap iron, resulting in waste, the gain outweighs the loss. The characteristics of this product are that the original door does not need to be disassembled, the price is low, the appearance is beautiful, the ventilation in summer, the ventilation in winter, the mosquito and fly prevention, goodbye to the stuffy, can be opened and closed, fire and cold, improve indoor air circulation, and the small door in the window with rock wool does not affect the thermal insulation in winter. The installation is convenient and fast, does not damage the original door structure, and does not affect the anti-theft function. >>>More

Changchun City 151 changed the ventilation window 4315 on top 8129

The size is different, the price is not the same, the small one is more than 300, the large one is more than 500, generally according to the shape on the anti-theft door to choose a more suitable size, Shijiazhuang area please +VX sjztfcguo >>>More