... and industry.3.Various kinds of materail aluminum alloy such as 6061,6063,etc.4.Various in size,style:aluminum profile,flat bars ... ,angles,square,bars,T-profile and U-channel,etc.5 ... machining, metal stamping, welding, finishing and assembly. 6.We customize our extrusions according ... coating, painting and silkscreen printing. Industrial Aluminum Extrusion Profile