- Place of Origin: Foshan, China - Brand Name: GUANG YUAN - Model Number: GY001 - Grade: 6000 Series - Alloy or Not: Is Alloy - Temper: T4-T6 - Deep Processing, Precise Cutting, Drilling, Bending, Punching, CNC and Aluminium Alloy Profile Fabrication - Quality Standard: China National Standard GB/T 5237-2008 - Quality Certificate: ISO 9001:2015, ISO 14001:2015, CQM Certification, SGS - Application: aluminum extrusion profiles for windows and doors - Use purpose: Construction Buildings, villas and residential houses