E-mail: jack@dg-diyou.com
 Tel: +86-769-39016685
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The double sash window has many advantages over the ordinary window. It can be open and closed, increase the ventilation area, and have a comfortable environment. Under the premise of sufficient advantages, it is safe and reliable, and can also improve the space utilization rate. Energy-saving and environmentally friendly products.

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Dongguan Diyou Windows&doors Technology Co., Ltd (DY)

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Contact Person :  Jack Lee
E-mail: jack@dg-diyou.com
Tel:  +86-769-39016685
Mobile Phone:  +86-180 0291 3546
Fax:  +86-769-39016696
Add:1st Building, No.6, Industrial South Road Songshan Lake Development District, Dongguan City, Guangdong Province, China. 

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