Tellhow Sci-Tech Co. Ltd. provided earnings guidance for the first half of 2018. For the period, the company predicts that the net profit belonging to shareholders of the listed company from January to June 2018 will be between RMB 105 million and RMB 120 million, with an increase of between RMB 37.43 million and RMB 52.43 million and an increase of between 55.39% and 77.59% compared with the same period of the year before.