Hello! High rise entrance door security door according to what inspection batch to inspect, how much

Updated on Security door 2024-07-19
1 answers
  1. Anonymous users2024-01-24

    1. According to the inspection batch of special door installation project, the inspection shall be carried out.

    2. The same variety. The type and specification of special doors should be divided into an inspection batch every 50 pieces, and less than 50 doors should also be divided into an inspection batch.

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