40mm grinding steel ball skew rolling mill production line is running inTurkey, producing 30-40mm grinding media balls, we supply whole steel ball rolling production line for this cusotmer, include furnace, skew rolilng machine, converyor, quenching systomer, tempering systomer etc. if you also interest this grinding steel ball forming machine production line, please contact Anyang forging press at +86-372-3389658, email: info@chinesehammers.com