In the fourth quarter of last year, Dun Tai Shipments of smartphones by mainland China were affected by seasonal factors. With revenues of 2.77 billion yuan and a 15% decrease in quarter, the single-season pretax loss was 2.6 compared with 3% in the same period of 2016 billion, one-quarter loss per share of 0.87 yuan; even the mainland in 2017 smart phone shipments declined slightly, Duitai 2017 revenues denominated in US dollars is still higher than in 2016, but by the impact of currency, revenue in 2017 with a new Taiwan dollar denominated but decreased by 2% compared with 2016, to 10.8 billion, the annual consolidated gross profit margin and operating expenses are comparable with 2016, pre-tax net profit of 205 million yuan, a net loss of 103 million after-tax loss for the full year 0.28 yuan, the full-year gross profit margin fell 21%.