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甲級防火門和乙級防火門有什么不一樣的

1、廠家不同:無錫防火門廠家、蘇州防火門廠家、昆山防火門廠家、常熟防火門廠家、江蘇防火門廠家等等

2、價格不同:甲級防火門價格比乙級防火門價格高,乙級防火門比丙級防火門價格高,不銹鋼防火門比鋼質防火門價格高,玻璃防火門價格比木質防火門價格高。

 


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