The door leaf and door frame is total stainless steeland have a good air-tight performance. The Stainless steeldoor has two different types for different panel system,one is for machine made panel and the other is for handmade panel. Door leaf: Stainless steelDoor frame:Stainless...

The door leaf and door frame is total powder coated steel and have a good air-tight performance. The Steeldoor has two different types for different panel system,one is for machine made panel and the other is for handmade panel. Door leaf: Powder coated steelDoor frame:Powder...

The door leaf is sandwich panel and the door frame is powder coated Alu profile. The Sandwich panel door has two different types for different panel system,one is for machine made panel and the other is for handmade panel. Door leaf: Sandwich panelDoor frame:Powder coated Alu...