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See Chinese contents: QC/T 491-2018 QC/T 491-2018: Automobile shock absorber technique requirements and test methods
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage of the power sliding doors, for category M1 automobile, which is driven by synchronous pulley or cable. This standard is applicable to the power sliding door system for automobiles, which have a nominal voltage of 12V and 24V.
