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Dacheng brand industrial door We can design and produce standard lift and vertically lift door,with manual operated and Motornized,suit for various door hole demand. 1.Panel material is color coated steel thickness 0.326mm&Panel thickness:40mm (Aluminium panel avaliable,insulate with polyorethane,grooved and embossed style,aluminiumthickness 0.4mm panel 40mm) 2.Accessory contain all nessory part for full set door. 3.Track:2" Hot-dipped galvanized.single track for headroom above 35mm. 4.Hinge:side hing,central hinge 1#,2#,3#,4# 5.OD:3.2 steel cable,Nylon roller,bracket,balance pole(Solid shaft),seal,cable drum,torsion.track connector 6.Spring block,safty airbag,round transparent window(double layer). 7.Motor for 2500*5000,220V,50HZ,800N,With remote control. 8.Panel size 4000*4500,insert one square steel bar in each panel to strength the door body,panel 9.thickness is 40mm,square steel bar size 25*25 10.Panel size 6000*4500,insert two square steel bars in each panel.two steel bar in each body,panel thickness is 50mm, square steel bar size 40*40 Carton Package