Shandong Machine Tool Accessory Factory has produced drill chucks, drill chuck arbors, live centers and drill sleeves over 40 years. Now we have 10 lines to produce, and the annual output is 10,000,000pcs, more than 70% has been exported abroad. It has been awarded certificate of ISO9002 in 1997, become the main export basis for machine tool accessories in China.Our "elephant" is the famous brand in the world.