China’s industrial giants saw their monthly profits grow for a third successive month in July, but remained in the red in the first seven months of the year.Last month, profits of industrial firms saw a year on year increase of 19.6 per cent, from an increase of 11.5 per cent in June, data from the National Bureau of Statistics (NBS) showed on Thursday.In the first seven months of the year, however, profits fell by 8.1 per cent, with May, June and July representing the only months of growth in…