1. Tolerance of frame thickness: +/-0.1~0.25mm. 2. Alloy & temper: 6063-T5, Grade 6000 Series. 3. Surface finish: Anodizing, electrophoresis, powder coating, wooden texture, thermal-break, Fluorocarbon-coating. 4. Production standard of profiles: GB5237.1-2004. 5. Mini wall thickness: 1.0mm. 6. Max. Length: 6.0m, export length for 20" Container: 5.8m. 7. Procedure: Casting, extruding, surface treatment and precious cutting. 8. Application: Door & Window, construction. 9. Standard package: Each piece separated by foam, and appropriate numbers of pieces by brown paper as a bundle and then wraped by shrink plastic. 10. OEM Service is accepted. 11. Samples or AutoCAD drawings are preferred. 12. Customized and tailored order are welcome. 13. MOQ: 1Ton/Model for the trial order. 14. Leadtime: 15-25days. 15. Trade term: : FOB Shenzhen, Guangzhou or Shanghai. 16. Payment term: T/T(30% deposit and the balance will be paid before shipment ) or L/C(30% deposit by T/T and the balance be paid by L/C ) The prices of these profiles are different according to international aluminium ingot prices and different surface treatment processes. We have hundreds of design series with different surface treatments to meet your needs and satisfy your different tastes. Looking forward to your specific inquiries and your drawings. Upon receipt of them, we will quote you our lowest prices to meet your needs.