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Shandong Road,Qingdao,Shandong,China China
Insulating glass is made of two or more pcs of glass sheets and use sealant gumming glass pcs and aluminum spacers which was filled with desiccant tog
used in some ancient buildings in order to maintain the orginal design of the window. not only increase the heat insulation and comfort, but also the
Persona de contacto Yifei Xu
Dirección Shandong Road, Qingdao, Shandong
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