Production introduction:

1Door plank material—value=".5" tcsc="0" unitname="mm" w:st="on">0.5mm  aluminium zinc choi steel

2Moter—import built-in motor(GLIDEROL)

3Up and down speed:17value="20" tcsc="0" unitname="mm" w:st="on">-20mm/s

4Maintenance—after the installment,long durability and long service life

Function---automatically lighting

       ---remote control ups and downs

       ---blocked rebound

       ---hidden automatic reverse security alam

       ---can be combined with magic eye,radar,fire smoke control of the system