What types of high speed doors are there?
The types of high speed doors of SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD. are as follows: 1. High speed roller door. The high speed roller door is the most used and relatively economical high speed...
Similarities and differences between hard high speed doors and soft high speed doors
The main categories of high speed doors are hard high speed doors and soft high speed doors. Hard high speed doors mainly refer to aluminum high speed doors, and soft high speed doors mainly refer to...
What if the auto-gate power goes out?
Now many factories have installed fast roller shutter door, which brings great convenience to the access channel, but in the process of use, we may also encounter a sudden power failure of the...
Advantages and parameters of Hongfa fast door
Now the use of fast doors is becoming more and more common, and has created more and more fast door manufacturers in the domestic market. Each fast door manufacturer has its own advantages and...