... /14001certification;GB/T6892-2000,GB/T5237-2004stand. 1) Item: aluminum profile for solar panel2) Alloy Temper: 6061,6063,6060,6082T4/T5 ... ,mattanodized,champagne,bronze,black),Power Coated,Electrophoresis(silver,bronze,champagne,golden).4) Hardness:Mpa≥160,HV≥58,HW≥85) Standard:GB ...