Anti-sidebow chains for automatic doors and windows

The intelligent door and window anti-bending chain can be applied to the top hanging window, the inner inverted window, the outer inverted window, the cased window, the flat push window, the skylight and the like. Driven by electric. The chain is treated with high-quality steel and zinc-nickel alloy surface anti-corrosion strengthening process, and the salt spray test reaches 150 hours. It has the characteristics of large push-pull force, low noise and good stability.