Tianjin customized the Nankai District retractable doors professional manufacturers [13512437277] connected by a plurality of sequentially arranged piece of the door and the little door piece, an electric retractable door. Wherein the two adjacent sheet is provided between the at least one connection of the connection pipe between the two obliquely set, and the door sheet to the inner sleeve within the door sheet. The inner sleeve with each other piece of the door and the little door sheet structure composed of retractable door, retractable door timely receive automatic small door kits set the door sheet, so that the length of the entire retractable door Collapse than The the original retractable door at least less than half, greatly reducing the footprint of the retractable door, so that it can be adapted to a variety of venues installation size white door piece retractable door structure, even retractable door is open, patchwork, beautiful appearance , but also less chip supplies due to the small door, can effectively reduce the retractable door production costs, further beneficial to the promotion and application of the drive head, the utility model discloses an enhanced retractable door. The drive head and a fixed door frame fixedly connected to the fixed door frame via a the long linkage assembly retractable certain doorframe connected sequentially, starting from the fixed door frame, door frame is connected to the bottom of the interval pulley, further comprising a mounting inside the long linkage assembly the short linkage assembly of the lower end of the short linkage assembly successively through the two fixed central axis mounted in the lower portion of each door frame connected to the respective door frame, the short linkage assembly is mounted on the fixed central axis of the long linkage assembly installed on both ends of the fixed central axis of the neck; withstand impact force easily damaged easily deformable linkage assembly is increased by a group, to strengthen the impact strength of the impact force is concentrated in the lower part of the door frame, and to increase its impact strength case, the connection strength of the case, but also to ensure its weight balance, to enhance the service life of the present utility model. Tianjin electric induction door repair, Tianjin Hongyi electric door installation and maintenance center to provide professional. Maintenance of automatic doors in Tianjin, Tianjin retractable door repair, sliding door repair in Tianjin, Tianjin garage door repair, installation and maintenance of Tianjin Electric barrier, excellent technology to relieve various types of electric door incurable diseases responsibility to make the greatest efforts in time for the customers with convenient, really comprehensive services the center, in addition to maintenance of the production and sales of the Company's various electric door products, specifically the establishment of the maintenance team, and repair all kinds of volume curtain gate, electric shutter doors, door sensors, electric doors, automatic doors, telescopic doors, garage doors, sliding doors, house doors, door repair, Tianjin Hong Yi repair door, professional maintenance of various doors and windows and solemn commitment: Center replacement product accessories one year free warranty (except for damage caused by man-made and force majeure) products for this period If there is a quality problem caused due to manufacturing reasons, the company responsible for free repair or replacement. Build customer profiles, regular visits to humbly listen to the opinions and suggestions of the customers, and continuously improve service levels. The center offers a 24-hour maintenance solutions, under normal circumstances, the urban area pick up a customer calls usually about 2 hours to the scene to provide solutions; suburbs are generally about 2 hours to the scene to provide solutions. As far as possible when the daily newspaper repair provide solutions to minimize customer inconvenience and loss.