Electric retractable door products in accordance with its own characteristics and people's aesthetic habits, does not require looking up, do not need to look down, just head-up will be able to see visualis the most comfortable angle. 1.45 meters high

About all objects can be easily integrated into the viewer's visual range, so as to avoid visual fatigue generated.

A high degree of electric retractable door mechanics to keep pace with the products of electric retractable door height the greater the ability to withstand all weathers and the weaker, shorter service life, this is an indisputable fact. As a result of large electric retractable door

More exposed to outdoor, long-term irradiation by solar, wind and rain will gradually aging, deterioration, failure rate increases.

The higher electric retractable door, the greater the force area, the worse the performance of wind. As the saying goes "wind big tree", only as far as possible to reduce the high electric retractable door to door down the overall center of gravity in order to reduce surface stress

Plot, and enhance a sense of steady, so as to effectively resist typhoons. Electric retractable doors to reduce the height of equivalent to an increase of material strength.