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Guazhou retractable movable stand seat manufacturer Maintenance and maintenance of telescopic stands 1. Regularly check whether the guide rod (made of 12 round steel) in the sliding rod guide mechanism on the chassis will move axially. If this phenomenon occurs, the nuts on both ends of the guide rod should be properly tightened. 2. Regularly check whether the chain pressure wheel of the telescopic synchronization mechanism is working well. 3. Grease the following parts regularly:   A guide bar of slide bar type guide mechanism;   B synchronous mechanism sprocket chain; C drive sprocket chain. Do you know the advantages of stadium seats? Next, I will give you a brief introduction. The stadium seats mainly include four parts: seats, backrests, armrests and standing feet. Typically, standing feet and armrests are combined to form a firmly connected armrest. The composite structure is usually a steel-wood structure or a steel-plastic structure. Most theaters use almost the same type of ch...