... Lines have been designed and manufactured on the basis of introducing and absorbing the key technology from the western world. They can ... , such as LLDPE,LDPE,EVA,mPE,HDPE and so on. The lines are reasonable in structure, stable in performance ... Shandong province, Anhui and Gansu province, Beijing, Tianjin and the Northeastern Regions and so on. And the lines are adopted the patent technologies of ...