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、销售电梯门系统产品。目前产品主要有两大类：自动电梯门系统及半自动电梯门产品。
The utility model discloses a semi-automatic bolt for a window (door), belonging to the field of architectural hardware.
一种半自动门窗插销，属于一种建筑五金材料。
The utility model discloses a semi-automatic bolt for a window (door), belonging to the field of architectural hardware.
一种半自动门窗插销，属于一种建筑五金材料。
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