Gansu Radio Film & Television Service reported that Gansu Jiuquan Iron and Steel Co Ltd has achieved new breakthroughs in developing X65 & X70 pipeline steel and J55 oil casing pipe in the first half year.

According to the report, high grade pipeline steel, major steel variety in the company has been passed the trial test in this June with the chemical indices all reaching the standards both at home and abroad, filling the production blanks of hi grade pipeline steel in the history.

(Sourced from Gansu Radio Film & Television Service)