Does the security door have a four layer splicing board?

Updated on Security door 2024-08-31
2 answers
  1. Anonymous users2024-01-24

    Some. There are several A-level like our Shengyang.

  2. Anonymous users2024-01-23

    The high price is the double-layer steel plate, which is double-layered on one side. Millimetre.

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