The system of automatic regulation and protection of the motor phase for the fire fighting folding door;

Study on main steel shaft design for fireproof rolling shutter door;

There are three kinds of fireproof door accommodated namely:the steel fireproof door,the fireproof and theftproof door and the composite steel fireproof rolling shutter door.

Under the tourist city commerce and tourism relatively isolated circumstances,this paper takes Leshan city as an example on the traveling city how to avoid "roller shutter doors commerce" and "tickets travel" and how to coordinate the interaction between city commerce and tourism development were studied,to prompt the develop of the cities of tourist.

This paper introduces the structural performances, producing process, erecting programme and operating instruction of Australian rolling door, pointing out that this kind of rolling door, which is convenient to operate, is safe and practicable and can be used to beautify the integral buildings.