Guangzhou Topbright Building Materials Co., Ltd. is specialized manufacturing enterprise integrating research, design, manufacture and sales of all wood windows & doors, aluminum windows & door, PVC windows & doors, curtain walls. Our company have many types of wood windows, aluminum windows, PVC

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Wayne (Hangzhou) Building Materials Co., Ltd. is located in Hangzhou City, near Shanghai, China. Since year 2000, we have been engaged in exporting innovative building materials and providing smart building solutions to contractors, owners, developers, traders and distributors abroad. Our main

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Jinan SETH intelligent equipment Co., Ltd. Specializes in the production of aluminum, UPVC window and door machine, curtain wall and insulating glass processing machine equipment that can meet the needs of different clients, and can also be customized according to customer requirements of different

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Qingdao Sytech Material Technology Co., Ltd is a professional large-scalemanufacturer of all types of Glass, Aluminum Windows & Doors and PVC Steel products in China, integrating development and production together. We have almost 30 years of experience in producing and exporting. Our main equipment

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