NIPPON KINZOKU Launches Sample Supply of “Internally Polished Capillary Tubes” for High-Performance Analytical InstrumentsContributed by: Business WireLogoImagesCross-section of the tube after polishingTagsMachine Tools, Metalworking & MetallurgyTechnologyOther TechnologyManufacturingSteelHardwareNIPPON KINZOKU CO., LTD.