http://importer.ec21.com/buy_leads/i beams weight.html http://www.ec21.com/offer_detail/Buy_Bleaching_Machine--7165659.htmlbeams with the machines are 4 only have . inside diameter 60 cm. 6- the number of the carriages are 2 only. 7- measure 20090108 http://www.ec21.com/offer_detail/Buy_To_Buy_Steel_Sections--2379573.htmlI am in urgent need for these requirements of : H-beam size ( Q235) Quantity 100 mm * 100 mm * 12 m . 200 t 120 mm * 1220080110