Hard fast door is also known as rapid rolling doors, high-speed doors, the rolling door, is one kind of industrial door controlled by PLC, inverter, encoder to achieve fast lifting and accurate positioning.

The control box occupy an important position in the whole set of fast door

Hard fast door, it is a door with high utilization rate on the market at present, the door board is made of aluminum alloy material, divided into hollow type and heat preservation type. The most common color is silver and gray, we are usually using aluminum alloy foam door plate, the middle can be a

High speed doors have been popular in many countries for many years. Especially for production-oriented enterprises, there must be a high speed door between the workshop and the workshop. It is suitable for food, medicine, electronics, rubber, chemical, automotive, textile, logistics and other field