1. Excellent insulation for roll up curtain due to tightness of curtain to wall
2. Limit Switch is easy to adjustable because visualized knob design
3. None stop rolling up the curtain of 6 meter high
4. Roll up curtain can extend 80 meters without distortion and twist of the tube
● Manual and motorized drive are available, end drive or center drive are available
● Maximum opening can be 4.8 meter (middle roll up), and maximum length of curtain can be 120 meter depends on different motor drive
● Single/double/middle roll up in options, fully adjustable for min winter ventilation or max summer ventilation
● Easy installation and free of maintenance, tight and neat curtain of the barn
● Can be controlled with thermostat, temperature sensor
● Different motor drives available, in end drive or middle drive option
● Maximum opening can be 3 meter, and maximum length of curtain can be 60 meter
● Curtain can be opened from top downwards, fresh air can bring in from top of the curtain
● Can be control with thermostat, temperature sensor
● work with cable drum, universal joint, gears, pulley etc
● Manual and automatic options are available
● Maximum opening of 2.4 meters, and maximum length of curtain can be 60 meters
● End drive and middle drive options are available
● Easy installation and free of maintenance