1.For the shape traingular form inside of Logo indicate the letter“D” of“Ding”,the outside circle indicate “Ju”, “Ju”means get-together in Chinese,and the circle really express the means vividly.

　　2.Our Logo express “Perfect serive & towards all over the world are get-together,also is accord to our company culture,Strong in our company, and smooth outside”

　　3.Seen from the long terms development strategy, outside means the earth, so our inside entirely system towards world market.

　　4.The extend of traingular form means our proces road, indicate our company like the airpane taking off to the blue sky。