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08-30 2023
Basic knowledge of doors and windows
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08-28 2023
What is original place for system Windows？
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08-23 2023
What's the gasket?
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08-22 2023
High Quality Insulation strip
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08-21 2023
About Glass
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08-19 2023
Glue injection and section process
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08-18 2023
Painting and spraying of profile surface
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08-15 2023
What is the K value for Windows？
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07-29 2023
What is the service life of the adhesive?
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07-26 2023
What is the warranty period for doors and windows? What situations are not covered by the warranty for work?
