Shenzhen Hongfa Automatic Door Co, Ltd. is a well-known manufacturer of spiral door based in China. Our reputation proves our manufacturing capability. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and custom roll up doors is one of them. The product has good filtration effect. The filter system has an extremely small bore diameter which can effectively filter nearly all micromolecule contaminants. Its sensitive radar sensor can effectively detect the coming objects. Hongfa Automatic Door Company has established a complete product system. With an anti-freeze device, it runs smoothly in a low-temperature working environment.
Hongfa sets goal and mission to discover more motivation to produce spiral door with high quality. Get more info!