... Dimension:50*37-400*104 channel steel bar(high quality and low price)The products of Hengji Steel include ERW pipes, galvanized steel pipes ... bar, cold/hot rolled steel in coils, etc. The application of our products covers oil, natural gas, shipbuilding, chemical industries, ... SY/T5768 for its products which will satisfy the needs of clients having different standard requirements.We’d like to express ...