2017 is a happy and fruitful year for the company's market development work.By the end of last December, the number of new signed contracts for the whole year was 4.422 billion yuan, an increase of 46.31 percent compared with the previous year's 3.09 billion yuan.By the end of December, the number of new contracts signed for the whole year was 4.422 billion yuan, an increase of 46.31 percent compared with the previous year's 3.09 billion yuan.
 
  
(Reported by Bai Xue)