... company. Our products are widely used in petrochemical, machinery, shipyard, power station, boiler and heat exchanger. Moreover, we have good cooperation with ... #, 20#, 35#, 45#, ST45, ST55, CK45, Q235 (B, C, D, E), Q345 (B, C, D, E), 16Mn, 20Mn, 45Mn,27SiMn, 20G, 20Cr ...