All social circles have been overwhelmed by the COVID-19 crisis, which has brought unprecedented impact to the world economy, but has brought excellent opportunities for retractable posts and cloud service tracks. The era of new infrastructure has arrived, and the industry is in fierce competition. As a professional retractable posts’ manufacturer, in order to save you the cost of replacing retractable posts and allow you to better use our products, we will give you the following answers about how to repair them.