... Dimension:50*37-400*104 channel steel bar(high quality and low price)The products of Hengji Steel include ERW pipes, galvanized ... bar, deformed steel bar, cold/hot rolled steel in coils, etc. The application of our products covers oil, natural gas, ... , water conservancy, power, steel structural products, building, etc. The company implements international and domestic standards including API SPEC 5CT ...