Jiangsu Rutong Petro-Machinery Co. Ltd. provided earnings guidance for the full year of 2019. The company predicts the net profit belonging to shareholders of the listed company in 2019 will be between RMB 63 million and RMB 70.8 million, with an increase of between RMB 23,921,600 and RMB 31,721,600 compared with the same period of the year before and with a year-on-year increase of between 61.21% and 81.17%. The net profit belonging to shareholders of the listed company after excluding extraordinary profit and loss will be between RMB 53.66 million and RMB 61.46 million, with an increase of between RMB 28,525,200 and RMB 36,325,200 compared with the same period of the year before and with a year-on-year increase of between 113.49% and 144.52%.