In Dongying as the center, radiation surrounding Tianjin, Beijing, Hebei, Henan, Shanxi, Jiangsu, Anhui, Hubei, Inner Mongolia, Liaoning and other more than and 120 provinces and cities in more than 10 provinces. Various types of point to point transportation lines more than 270, customer groups including Sinopec, PetroChina and shell, the industry leader, professional operation team
