Hengtong Optic-electric Co., Ltd. provided preliminary earnings guidance for the first half of 2016. According to preliminary statistics of its financial department, the company predicts that the net profit belonging to shareholders of the listed company in the first half of 2016 will be between RMB 351,575,500 and RMB 421,890,600, with a year-on-year increase of between 150% and 200%.