AM26直流内置同步链条开窗器
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Product Category
Hardware Fittings
1. The product is suitable for fire smoke exhaust windows and electric skylights;
2. Accurate built-in synchronization does not damage the window;
3. The section size of 24.5*35mm is small, which can realize hidden installation and more beautiful;
4. The gear adopts thickened and thickened design, which has higher safety;
5. 400N push and pull force, strong power;