1) Door plate material: double layers, zinc-plated 

2)  polyurethane insulation without Freon

3) Dimensions of door plant: 

    a) Width: 2440mm-12000mm

    b) Height: 2130mm- 7300mm 

6) Thickness of door plant: 40mm-50mm

7) Coefficient of thermal resistance: R=14. 96, 18. 25

8) Surface polyester of door plant: white, almond color, brown 

    (other colors can be arranged) 

9) Track: 2" (51mm) and 3" and (76mm), both adopt 1.5-3mm thick

     hot zinc-plated stencil plate   

10) Standard rail, low rail, high to promote rail, vertical to promote 

     rail and oblique canopy promote rail

11) The balanced system of external button reed, the working life 
of button reed is up to the job circulation 50,000-100,000 times
12) The U vinyl sealing strip of the bottom prevents frostbite, damp proof and waterproof
13) The side and the top take the trough sealing strip to seal
14) passing doors are supported
15) Viewers are available