Established years ago, Shenzhen Hongfa Automatic Door Co, Ltd. has acquired a distinguished position amidst the leading manufacturers and exporters of industrial roller doors in China. Hongfa Automatic Door Company focuses on providing a variety of cold storage doors for customers. The materials Hongfa automatic door uses are sourced from reliable suppliers. With an anti-freeze device, it runs smoothly in a low-temperature working environment. The product can stand up a certain degree of voltage. It has passed the Dielectric Withstand Test by applying high voltage on power and ground terminal circuit to measure its collapse status. Its special zipper design structure connects eliminates gaps.
Our commitment is clear: we stick to sustainable development. We adhere to sustainable manufacturing and reducing the environmental footprint of our operations.