a.Excellent noise insulation performance,energy conservation and environmental protection.
b.Excellent fir prevention,water proof,dustproof,and lampblack,the performance of the frost prevention frozen.
c.Safety,durability,economical and practical,used more often new.
windows with internal mini blinds
a.electrical remote control system:controlled switches on the wall,wireless remote
b.Magnetic control system
c.Slats of internal venetian blinds