aluminum extrusion profile 1.5000/6000/7000 series T5 or ... etc 3.drilling,punching,welding We can supply with aluminum alloy exttrusion profiles with hign quality and nice prices. ... 1) shapes: square tube, round pipe, angle, flat, T-profile, rotundity, oval, slot ... cutting, drilling, tapping, milling, stamping, and welding u shape aluminum extrusion profiles