120mm skew rolling mill productin line is running in armenia and producing 120mm grinding balls, we supply whole steel ball rolling production line for this cusotmer, include furnace, skew rolilng miller, converyor, quenching systomer, tempering systomer etc. if you also interest this grinding ball production line, please contact Anyang forging press at +86-372-3389658, email: info@chinesehammers.com