Stara Livnica O.S.Č.L. d.o.o. Čoka introduced the ISO 9001 quality system. In its procedures, it has defined the complete production process, starting from input material, through the production process to the delivery of castings to customers. Our goal is to deliver high quality castings always on time.

The basis involves quality control of all phases of the production process:

• Input control
• Model control
• Interphase control
• Sand mixture analysis
• Chemical analysis with a spectrometer
• Metallographic analysis
• Control of tensile strength of materials
• Visual control
• Dimensional control