Hongfa Automatic Door Company has come a long and far way in developing and manufacturing electric roll up door. We have made ourselves well known to the market. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and cold storage doors is one of them. Hongfa electric roll up door is produced based on rigorous shoe materials requirements. Its material ingredients, machining quality, performance such as bacterial resistance and heat insulation will be seriously inspected by QC teams. With the simple structure design, its soft curtain is beneficial to stable operation. 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 product does not need hand operation.
Hongfa emphasizes the importance of spiral door which will attract more customers. Call!