Model No.: PL TBAP 03 China Aluminium Profile manufacturer Pinglu supplies GB5237-2008 Standard Aluminium Thermal Break Profile, T4/T5/T6, Wood color or customized colors. Aluminium Thermal Break Profile Key Specifications / Features Material: Aluminium alloy 6061, 6063, 6060. Temper: T4, T5, T6. Certification: ISO 9001. Quality Standard: GB5237-2008. Surface Treatment: Powder coating, blue and white. Color: … Continued