European standard aluminum 2020 European standard industrial aluminum alloy profiles aluminum alloy square tube frame profiles

Our main industrial aluminum, 20, 30, 40, 50 series, 60 series, 80 series, 90 series, industrial aluminum parts. Bolt, nut, Angle, hinge, caster, hooves, fittings, elastic fasteners, face plate, flat article sealing groove, the hinge of the event, activity, connection between blocks, end connection board and other industrial aluminum products.