Chinese steel producer Chongqing Iron and Steel (Group) Co. has announced that in September this year its subsidiary Chongqing Iron and Steel Co. (Chongqing Steel) produced 429,700 mt of finished steel, up 42 percent year on year. In the first nine months this year, Chongqing Steel's output of finished steel amounted to 4.077 million mt, up 12.7 percent on year-on-year basis.