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Yuyuan Fourth Road, Qingda Industrial Park, Chengyang District, Qingdao City

Tenglong Aluminum

Switzerland Jansen Steel Door and Window System of Good Tightness and Special Features

Folding Door 经典型折叠门

Folding Door Classic Folding Door
Janisol断热型门窗系统 1

Janisol Thermal-break Door and Window System
Janisol断热型门窗系统

Janisol Thermal-break Door and Window System
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Eco 50/60 Classic Fire Door and Partition System
image/sKPPyinxRWC1LLWPwF74Aw

Eco 50/60 Classic Stainless Steel Door System
image/2hWXNyKoQCuD_eHC0N9X-Q

Eco-50 Classic Stainless Steel Window System