第四,要及时检查伸缩门五金配件,发现损坏及时修理或更换。有时长时间使用硬件,所以它可以涂少量的蜡油或滴一些机油,减少摩擦,并保持电动伸缩门的打开和关闭容易和活跃。
Zibo Automatic Door Co., Ltd. is a well-known manufacturer of electric retractable doors, with reasonable prices and good pre-sales and after-sales service. Welcome to inquire by phone.