English
Invented 30 years ago, Spiral Doors have been further developed ever since. At CI Industry, our High-Speed Spiral Doors operate quietly, run fastly, and are almost wear-free. It could withstand the wind speed of 120km/h.
Invented 30 years ago, Spiral Doors have been further developed ever since. At CI Industry, our High-Speed Spiral Doors operate quietly, run fastly, and are almost wear-free. It could withstand the wind speed of 120km/h.
