... machining center, Lengthen tungsten steel drill CHINA Kunshan OSK precision tool limited company was founded in 2006, specializes in ... graphite, Hara IzumiWALTER,ANCA,ROLLOMATICZOLLER,TESTISO9001:2008Now, the company has more than ROLLOMATIC, the German WALTER and Australia ... technology application center, for the production of the company 's tool cutting experiments and improved the product ...