Hot-rolled H-beam manufacturing and use
Production Process:
Straight cutting - steel assembly - gantry welding - flange plate correction - small piece production and ribs welding - [three-dimensional drilling - blasting rust - spray painting].
Widely used in the nuclear industry, shipbuilding, aerospace, petrochemical industry, metallurgy, electric power, coal, machinery industry, railways, bridges, municipal construction, highways, high-rise buildings, civil residential, light steel villas, market housing and so on.
Compared with common automatic revolving doors, Ningbo GDoor two-wing automatic revolving doors provide highest safety assurance because two-wing revolving doors adopt GDoor exclusive "drum wall load-bearing" structure, which guarantees GDoor two-wing automatic revolving doors possess the strongest capability for evacuation. And the door wings of two-wing revolving doors are fixed to the H-girder which can drive door wings. Ningbo GDoor two-wing automatic revolving doors can be used as an Automatic Sliding Door. The Sliding Door Operator in Ningbo GDoor two-wing Automatic Revolving Door is as same as Ningbo GDoor common automatic sliding door operators. Thus, one two-wing automatic revolving door has multi-functions to satisfy different demands.
Two-wing Automatic Revolving Door Set
Two-Wing Automatic Revolving Door Set,Automatic Revolving Door Set,Revolving Door System Set,Revolving Glass Doors Set
Ningbo Gdoor System Control Technology Co., Ltd. , http://www.gdoor-cn.com