Empire Industries Limited manufactures Electronic Discharge Technology System. Empire Industries Limited manufactures Metal Cutting Tools for Turning, Milling, Mill turn centres, Boring, Drilling surface, centre less, double disc grinding, roll grinding, EDT machines, Profiling, High Precision Class Broaching etc. The Electronic Discharge Technology System comes with Single row 15 to 25 copper electrodes max barrel length 2300, and 2 rows upto 60 copper electrodes max barrel length 2540mm, max dia 620 mm min 330 mm.