Place of origin: liaoning, china (mainland) grade: 6000 series temper: t3-t8 application: industry framing system shape: square alloy or not: is alloy model number: xx40120 brand name: toshine name: extruded aluminum extrusion profiles t slot aluminum track material: 96% alloy :6063-t5 / 6005-t6 shape:: square, t-profile, angle, flat and so on surface treatment:: mill finish, anodizing, polishing, powder coated, wood grain, etc color:: silver, bronze, black, gold, blue, grey, champagne , etc deep processing:: cutting, drilling, punching, bending etc dies:: based on your drawings length:: according to your requirement application:: industrial, windows, doors, curtain walls, solar panel, led panel etc Ep paper inside for each profile separate then craft paper outside or as your requirement