METALNA OPREMA d.d. Quality is our strength! Quality system Metalna oprema d.d. has an ISO 9001:2015 certificate, and all the necessary certificates for locksmith and welding work. Our production Metal equipment d.d. was founded on August 16, 1976. year. Click here for our production What are we doing? Production of equipment for crushing and sowing of mineral raw materials. Pre-processing CNC cutting position Drilling Bending Welding Joining MIG / MAG positions by welding process Grinding welds Colouring Sandblasting Final painting