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Foshan MADOYE Window & Door Co., Ltd.

Aluminum Window, Aluminum Door, Floor Spring Door manufacturer / supplier in China, offering Specialty Aluminum Alloy Frame Large Folding Door, Aluminum Frame Casement Office Door with Hollow Glass, Office Use Hollow Glass PVC Casement Door with Factory Price and so on.

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Technical Guidance

Measurement methods [May 16,2017]
Measurement methods
How to measure size? 

All the measure error must not exceed 20mm.
In case of error happen,can adjusted when installed.