Shenzhen Hongfa Automatic Door Co, Ltd. is a well-known Chinese manufacturer. Our core business includes the design, development, and manufacture of industrial roller doors. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. The design of Hongfa electric roll up door is completed complying with the concept related to the mechanical structure of the human body. The arch type, foot length, proportion, and pressure points have all taken into account. Its curtain is available in various colors. The product can eliminate most of the harmful substances present in the water. When the activated carbon is used to treat a liquid, the pollutant molecules are trapped inside its pores. The edge of curtain features continuous injection molded teeth.
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