NorthAST Steel Group is the biggest manufacturer of square/rectangular steel tube and square bar in China. The group own 7 factories working hot rolling, cold rolling, galvanizing and welding process for square bar and tubes by itself. The biggest factory covers almost 0.7million sqm with 8 million ton production capacity. Thousands of size and types of tube and bar products are workable in the factories. We are looking forward to cooperating with all sincere customers.