industrial rolling door

Tongshuai Rolling door 1material:we have three kinds of curtains material: 1)galvanized steel plate with injected PU foam; garage door used; 2) aluminum alloy material; garage door used; 3) single steel plate: thickness from 1.0mm to 1.5mm; industrial door used; tracks: for garage door: aluminum tracks; for industrial used:2.5mm thickness steel tracks. 2curtain size: 55mm; 66mm; 77mm;100mm tracks size: 80mm; 90mm; 100mm; 120mm 3motor systerms: germany tech; from 40N to 750N. votage: 220v; 50HZ; or 380V; 50HZ. single phase or 3 phase. Main feature:Outer covering: Uses the aluminum alloy outer covering, is solid but makes lightly Gear: Uses the high quality alloy steel, after the special handling, guarantees hoists the intensity Braking structure: The special installment mechanical brake, may shut off the instantaneous braking in the power source, the guarantee braking is absolutely safe Spacing system: Travelling schedule control accurate, the adjustment simple also is controlled the travelling schedule to be big Transmission system: Precision high, movement steady, the noise is low 4 operation: the curtain is firmed on the roller, the motor drive the roller. 5 multiy opening way: Manual,remote control; electric; and self lock. 6 safety equipment: rebounded function; infrared ray.ABRSExperiencedinOEM