Brand:yongli
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* Global first: Mininum tube of 30mm diameters;* Mininum 7mm interspaces between fabric and wall;
* Electronic positioning technology, optional position, non-accumulated error, auto memory during the power-off time.
* Adoption of DC low-voltage motor, continuously work 500hours.
* Two directions arbitrary stops, automatic power off time.
* Fine exterior looking, easy operation and convenient installation.
