... meet ISO9001, ASTM, API, SAE, DIN, BS, GB and SY requirements3)Widely used in construction structure, machinery, container, ... furniture structure, electromechanical hardware, door and guardrail, hall structure, airport structure, plaza structure 4)All ... in square bundle in container .6)Payment : T/T , L/C , Money gram7)Trade terms : CIF ,CFR , FOB rectangular steel ...