In order to maintain the surface gloss and service life of the electric rolling shutter door in Ji 'nan, the user must carry out regular cleaning and dust removal.

为了保持济南电动卷帘门的表面光泽和使用寿命，使用者一定要对其进行定期的清洁和除尘，对卷帘门的表面进行养护。

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The camera's construction helps meet the needs of professionals with a 100, 000-cycle shutter durability and EOS Integrated Cleaning System for high-quality vibration-based dust removal.

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