... 4)Processed by advanced machine tungsten carbide precision tools 1/ GENERAL INTRODUCTION: Zhuzhou UKO cemented carbide co., ltd. Is contribute ... and sale kinds of tungsten carbide mould, precision tools and blanks, the main products are tungsten carbide ring and rollers, strips, blade ... , drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and ...