Hongfa Automatic Door Company has dedicated to the R&D, design, and manufacture of spiral door for years. We gradually take the lead in the market. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and automatic door is one of them. Comprehensive quality and performance inspection are carried out on Hongfa self repairing high speed doors. They involve scrutinization of size (thickness, width, length, etc.), appearance defects, moisture absorption, and bacterial resistance. Its self-checking program can effectively show error codes. The product has a stable chemical property. It is not prone to have a reaction with the other molten materials or substances. The product features dust and insect prevention.
In order to usher in a new journey towards the development, Hongfa will thoroughly implement the spirit of roll up door. Inquire now!