On the 28th, the price difference between Tangshan billets and finished materials: 145 narrow band 3830 is stable, and the price difference between strip billets is about 270; 5 # angle steel 3930 is stable, and the price difference of angle billet is about 370; 14 # channel steel 3930 increased by 20, and the price difference of channel blank was about 370; 25 # I-beam 3980 is stable, and the price difference of workblanks is about 420; 25 # deformed steel 3640 fell 20, and the price difference of screw blank was about 80.









