The brass production at POF, Wah in Pakistan is modernized by Vitkovice Group. PTSW and TS Plzen cooperating on 4-Hi reversing cold rolling mill, where PTSW is responsible for electric and automation. Present Ward Leonard drive system used for main motor and uncoiler and coiler motors will be replaced by new Siemens SINAMICS DC MASTER DC converters with total load of 1.200 kW. New auxiliary AC motors will be driven by SINAMICS G120 frequency converters. Electro-mechanical screw down will be replaced by hydraulic cylinders with new thickness controller developed by PTSW.