I beam Length:6m 9m 12m Material:Q195~235,SS400 Standard:GB, ASTM,BS,JIS,DIN,EN,AISI Certificate:ISO9001 Goods ... ,JIS,DIN,EN,AISIEnsurewe can supply customers' with different specifications of the highest quality and lowest price.Sincerely welcome to contact us ... hope to establish long-term business relations with you on the basis of the equality and mutual benefit.we are waiting for your ...