-The products---graphite electrode: Dia 50mm ,75mm, 100mm, 150mm, 200mm, 225mm, 250mm, 300mm, 350mm, 400mm,450,500mm Grade:RP.HP,SHP and some of UHPgrade Length: 1500~2400mm 2-Refractories: firebrick is used the furnace of steel plant. 3-pump