1. The medium temperature of the concrete pump hose and the concrete pump hose assembly should not exceed -40 ℃ to 120 ℃ under normal circumstances. Otherwise, it will reduce the service life.

2. The concrete pump hose and the concrete pump hose assembly should be handled with care. They should not be dragged on sharp and rough surfaces, nor should they be bent or flattened.

3. The large-diameter concrete pump hose assembly should be kept clean.