The power beam is made of the aluminum section material with a reasonable and reliable drive structure and the service life more than 2 million times. The door body is made of colorized steel plate with foaming process or made of the large-plane sub-light stainless steel plate and framed large-plane glass.

At both sides and the center joint, there are the sealing strips installed, which conforms to the sanitary requirement for use in hospital , research institute, recording studio or any other places need for dustproof and cleanness. The dodge gate is equipped with rubber seal. Special purpose seal stripe are used to seal around th emobile door to make sure that the door will joint tightly with the doorframe for air tightness when closed. It can joint the door frame when closedown and ensuring the airtightness of door.