1. Curtain: double layer steel windproof polyurethane curtain is used. The curtain is made of 0.6 mm + 0.6 mm thick double-layer high-quality color steel plate, which is compounded and rolled by special rolling equipment and Jinan rolling door high-pressure foaming machine. It is resistant to corrosion, cracking, discoloration, high strength, corrosion and wind dust

门板中间夹心层填充聚氨酯发泡材料，聚氨酯发泡密度为42±2公斤/立方米；具有一定的保温功能；底部设有抗老化密封胶条，门体两边固定防串片封头。

The polyurethane foam material is filled in the middle sandwich layer of the door panel, and the foaming density of polyurethane is 42 + 2 kg / cubic meter. It has certain heat preservation function; the bottom is equipped with anti-aging sealant strip, and the two sides of the door body are fixed with anti block film heads.

2、 卷门机：包含电机、支架板、特制底座、控制按钮等。电机采用山东迪威尔 工业链条电机，噪音低，性能可靠，体积小，重量轻，安装方便，可配远距遥控操作，停电时手动操作方便，电机内部安置过热保护器，温度达到100℃时自动断电，当温度下降到70℃时（约经8分钟会自动复原，可再次启动使用）。

2. Door rolling machine: including motor, support plate, special base, control button, etc. The motor adopts Shandong Diweier industrial chain motor, with low noise, reliable performance, small volume, light weight and convenient installation. It can be equipped with remote control operation. It is convenient for manual operation when power failure occurs. An overheat protector is installed inside the motor. When the temperature reaches 100 ℃, the power will be cut off automatically. When the temperature drops to 70 ℃ (it will recover automatically after about 8 minutes and can be used again).

3、 轴管：大轴￠140（￠165）*1.5mm，焊接电机轴盘后，做防锈处理（表面刷 防锈漆）。

3. Shaft tube: large shaft ￠ 140 (￠ 165) * 1.5mm, after welding motor shaft plate, do antirust treatment (surface brush antirust paint).

4、 滑道：50*90*1.5镀锌或彩钢导轨，表面静电喷涂白色。

4. Slideway: 50 * 90 * 1.5 galvanized or color steel guide rail, surface electrostatic spraying white.

5、  骨架包箱：采用40×40×1.5镀锌方管和4#角铁做骨架，外包0.5厚彩钢板，预留活动维修口。

5. Skeleton box: 40 × 40 × 1.5 galvanized square tube and 4 ᦇ angle iron are used as the skeleton, 0.5 thick color steel plate is wrapped, and movable maintenance opening is reserved.