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How can the ceiling lamp shade sag?
The lampshade will sag due to quality problems or installation problems.

1. quality problems: there may be quality problems in the manufacturing process of the lampshade of the ceiling lamp, such as insufficient material strength and poor manufacturing process, which leads to the deformation or depression of the lampshade during use.

2. Installation problem: During installation, the lampshade of ceiling lamp may sag due to external force or improper operation, such as excessive force and impact.