Being one of the leading roll up door manufacturing company, Hongfa Automatic Door Company has served the industry for a long time. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. Hongfa roll up door involves a wide variety of manufacturing processes. They cover foot type collection, CAD pattern design, 3D printing, machining (cutting, heating, pressing, etc.), trimming, and trial clinical application. Its curtain is available in various colors. Hongfa Automatic Door Company has super cold storage doors production line and modernized management. The product greatly helps reduce air convection.
Hongfa insists on the orientation of being a leading cold storage doors enterprise. Get more info!