Electric retractable door (www.fsyinglong.com) Features: A: door appearance of new, 8-angle profiles, angular, wider track to the gate to the 650, solid and strong, smooth operation. B: can be refined polished aluminum or stainless steel door production lines and crisp clean, nice to meet all architectural and humanistic culture of different requirements. C: chute door using the latest development of the production of stainless steel chute, sturdy and durable. D: Top door to go round adopts new needle roller bearings, but also can run smoothly under strong pressure. And solve the bearing corrosion damage caused by walking round the problem, walking round the front with stainless steel decorative wheel covers, waterproof, dustproof, and increase the aesthetics of the wheel. E: wheel using engineering principles and design from an aesthetic point of view, breaking the previous single appearance, so that the gate fuller more dynamic appearance. F: head motor with integrated motor: 11CM thick bottom, increase the weight of the head, and strengthen traction, with double-sealed head design, the overall seal. Dust and moisture and rain, extend the life of the motor.