• Companies specializing in manufacturing, sales elevator door system products. The products have two major categories: automatic and semi-automatic elevator door elevator door system products.

    公司专业制造销售电梯系统产品目前产品主要大类:自动电梯门系统半自动电梯门产品。

    youdao

  • The utility model discloses a semi-automatic bolt for a window (door), belonging to the field of architectural hardware.

    半自动门窗插销属于一种建筑五金材料。

    youdao

  • The utility model discloses a semi-automatic bolt for a window (door), belonging to the field of architectural hardware.

    半自动门窗插销属于一种建筑五金材料。

    youdao

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