1) Pitch quick melting system from Germany.
2£©35MN oil extruder and 10MN extruder.
3£©3 sets of 5050 m3 kneaders with thermal oil as heat insulation material
4£©2 sets of 18 rooms baking kilns.
5) High pressure impregnation system from Japan
6£©Digital processing for electrodes and nipples
