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Class 5, effectively reduces heat transfer.
Class 4, provides a quieter environment.
Class 8, ensures strong durability against wind.
Class 6, prevents water leakage effectively.
Class 8, maintains indoor air quality.
Jiangsu Anxinzhuang New Type Of Material Co., Ltd. is a 20-year-old leading enterprise in the door and window industry, offering comprehensive solutions with a 30,000