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China
Personne àcontacter Ms. sha
xianjia garden, Changsha, Hunan
A. Specification. 1. Frame: Aluminium profile 2. Hardware: Made in German company 3. Glazing: Double glazing or single glazing 4. Surface proceeding: Powder coating, anodizing, electrophoretic, PVDF 5. coating, wooden coating, etc. 6. Thermal bridge 7. Opening way: Be-folding and sliding 8. Color: White, green, champin, and other colors 9. Delivery time: Within *5 days. B. Performance 1. Water tightness: ≥**0, CN standard: GB/T ********3/4 2. Air tightness: <1.5, CN standard: GB/T ********3/4 3. Serviceability wind press: *- 3.5Kpa, CN standard: GB/T ********3/4 4. Heat-preservation: Heat transfer coefficient K≤2.8, CN standard: GB/T ********3/5 5. Noise reduction: *2 db noise can be reduced by it, CN standard: GB/T ********3/2.
