Painted steel door frame,SUS304 door frame, aluminum alloy door frame.

Depends on size and other devices.

PVC high speed door ,Thermal insulation high speed door ,High speed spiral door, Aluminum alloy high speed door.

Yes ,the thermal insulation type high speed door have three thermal insulation layer.

Yes, the zipper-type high speed door is airtight ,can be used for ISO 9 clean room.

Certified, SGS , CE, more than 10 years experience.

Need 500mm at the top of the door ,350mm at both side.