Regular manufacturer, reliable quality, direct sales nationwide
24-hour free inquiry telephone:13302049786
(material quality) Q355, Q235, Q195
(Executive standards) JGJ231-2010
(technology)Hot-rolled square steel/Cold-drawn square steel
(specifications) forty-eight#、sixty#
(Main purpose) bridge works、rail transit、architectural engineering、shipbuilding engineering、water conservancy and hydropower projects、Perform stage background frame